https://padlet.com/vi027560/vylkfizaa68h Mục tiêu bài học + HS liệt kê và nhận diện được 100% các dạng toán đã học ở bài cung và góc lượng giác. + HS thành thạo được phương pháp, lựa chọn được cách giải phù hợp và hoàn thành giải được 3 bài trong đề cương thuộc phần cung và góc lượng giác. en-us 2020-04-07 05:06:56 UTC 2026-01-30 22:36:00 UTC hello@padlet.com vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040552 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040552 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040554 Đọ và radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040554 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040555 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040555 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040556 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040556 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040557 bài 11, 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040557 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040558 bài 13
18 độ= 2pi
l=107pi/8
37 độ= 37pi/180
l=37pi/9
57do30p= 23/72pi

]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040558 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040559 Cung lượng giác có điểm đầu và điểm cuối]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040559 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040560 I=Ra
I=aRpi/180]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040560 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040561 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040561 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040562 Bài 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040562 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040563 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040563 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040564 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040564 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040565 l = aR=pia/180 x R

]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040565 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040566 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040566 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040567 a) pi/10
b)23pi/72
c) 37pi/180]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040567 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040568 Trên một đường tròn định hướng,điểm đầu A và cuối B thì AB chỉ 1 cung lượng giác điểm đầu A ,điểm cuối B]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040568 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040569 Góc lượng giác đc tạo bởi 1 tia gốc và tia chuyển động]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040569 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040570 Đơn vị đo góc : độ,rad
Đơn vị đo cung : rad,độ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040570 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040571 l = Ra
l = pi.a.R/180]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040571 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040572 Bài 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040572 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040573 O]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040573 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040575 cung tròn có độ dài bằng bán kính gọi là cung có 1 số đo radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040575 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040576 dvi đo góc là độ
dvi đo cung là rad]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040576 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040577 a: pi= a :180]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040577 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040578 bai 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040578 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040579 pi/ 10

]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040579 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040581 Đo góc và cung: rad và độ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040581 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040582 Cung có số đo α rad của đường tròn đường kính R có độ dài l  =Rα]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040582 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040583 Bài 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040583 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040584 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040584 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040586 1. Cung: trên 1 đường tròn có 2 điểm bất kì được gọi là cung
2. Góc lượng giác:  ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040586 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040587 Độ, radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040587 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040588 l=R.a(rad)]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040588 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040589 bài 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040589 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040590 18° = 1/10π
57°30′=]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040590 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040592 là 1 cung chỉ theo chiều dương hay chiều âm]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040592 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040593 độ và radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040593 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040594 2 pi. r . (số đo độ/360)]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040594 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040595 11 12 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040595 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040596 a)18 = 18 x pi/180 = pi/10
l = (pi x 18 x 20)/180 = 2pi
b) 23/72 x pi
107/18 x pi
c 37pi/180
37/9 x pi]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040596 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040597 -Là 1 cung có điểm đầu và điểm cuối trên đường tròn định hướng
-Là góc trong đường tròn lượng giác :))))]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040597 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040598 Đơn vị đo
góc : độ
cung :  radian
Các công  thức tính cung
l=Ra
l=aRpi/180]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040598 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040599 Bài 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040599 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040601 a, 18 độ = 1/10pi=2pi
b,57 độ 30 phút=23/72pi=115/18pi
c,37 độ=37/180pi=37/9pi]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040601 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040603 bỏ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040603 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040604 góc lượng giác là góc tạo 1 tia gốc và 1 tia chuyển động]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040604 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040605 góc: độ
cung: radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040605 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040606 công thức l = pi.n.R/180

]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040606 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040607 bài 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040607 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040608 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040608 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040609 Độ và radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040609 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040610 Pi rn chia 180]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040610 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040611 113]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040611 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040613 Cung tròn có độ dài = bán kính gọi là cung 1 radian

]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040613 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040614 Rad, độ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040614 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040615 l=Pi . R.n chia 180]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040615 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040616 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040616 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040617 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040617 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040618 Một điểm M di động trên đường tròn luôn theo 1 chiều ( - hoặc + ) từ A đến B tạo nên 1 cung lượng giác có điểm đầu A điểm cuối B]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040618 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040619 độ và radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040619 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040620 l = alpha x R]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040620 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040621 Bài 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040621 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040622 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040622 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040623 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040623 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040624 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040624 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040625 a) pi/10]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040625 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040626 góc: độ
cung :radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040626 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040627 I=alpha x R]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040627 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040628 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040628 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040629 góc lượng giác đc tạo bởi 1 tia gốc và 1 tai chuyển động
độ radian
I= Rnhân a


]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040629 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040630 độ và rad]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040630 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040632 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040632 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040633 b13
a 18do=pi/rad
b 23pi/72
c 37pi/9]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040633 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040634 1. Radian
a(độ)=a.Pi/180]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040634 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040635 l=R.a]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040635 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040636 Bài 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040636 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040637 a, 18 độ=18.Pi/180=0.314(rad)
l=20x0.314=63.7
b,57độ 30p=1(rad)l=20
c, 37 độ=0,6(rad)
l=20x0.6=12]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040637 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040638 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040638 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040639 góc:độ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040639 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040640 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040640 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040642 a)pi/10 rad
2pi
b)23/27pi
19/3pi
c)37/9pi]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040642 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040643 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040643 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040644 đo góc: đọ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040644 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040645 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040645 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040646 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040646 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040647 a[c=r.a=2pi
b (115/18 pi]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040647 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040648 đo góc: độ
đo cung:radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040648 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040649 l=piRn/180

]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040649 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040650 bài số 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040650 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040651 pi/10
23pi/72
37pi/180]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040651 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040652 Cung ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040652 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040653 Đơn vị đo góc: độ
Cung :radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040653 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040654 l=R .a]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040654 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040655 Bai 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040655 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040656 18do=1/10pi
57do37'=23/72pi
37do=37/180pi]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040656 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040658 Độ 
Radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040658 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040659 I=Rxa]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040659 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040660 Bài 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040660 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040661 18’=1/10pi
57do30=23/72]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040661 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040662 là 1 đg tròn trên đó ta đã chọn 1 chiều chuyển động gọi là chiều dường , ngược lại là chiều â]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040662 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040663 cung :rad
góc :độ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040663 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040664 l= R . góc anpha]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040664 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040665 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040665 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040666 18'=pi/10
57'30'=23/72pi
37'=37/180pi]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040666 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040667 độ và radian

]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040667 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040668 adfsadad]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040668 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040669 18 độ = 1/10 pi 
57độ 30p= 23 pi/72 
37 độ = 37/180 pi

]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040669 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040672 13 dùng công thức qhe giữa độ và rad

]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040672 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040673 Độ và radian]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040673 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040674 L=R.a]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040674 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040675 Bài 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040675 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040676 a 18 độ bàng 1pi/18
360 cm
b 57,5pi/180
1150
c 37pi/180
740]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040676 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040677 cách tính độ dài của 1 cung là l=alpha x R hoặc pi x R x n độ / 180 độ 
đơn vị :pi , rad, độ ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040677 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040678 độ dài l= alpha x R hoặc pi x R x n độ / 180 độ ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040678 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040679 bài 13]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040679 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040680 a)pi / 10 
b) 23pi / 72 
c) 37 pi/ 180 ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040680 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040681 18°= π/10 rad
Do dai cung tron=2π
57°30'= 1rad
Do dai cung tron=20
37°=37π/180 rad
Do dai cung tron=37π/9

]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040681 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040682 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040682 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040683 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040683 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040684 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040684 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040685 Đo góc và cung: rad và độ]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040685 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040686 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040686 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040687 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040687 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040688 Dương Văn Đạt]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040688 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040689 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040689 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040690 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040690 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040691 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040691 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040692 Đỗ Phương Nhật Minh]]> 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040692 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040693 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040693 vi027560 https://padlet.com/vi027560/vylkfizaa68h/wish/496040694 2020-04-07 05:06:56 UTC https://padlet.com/vi027560/vylkfizaa68h/wish/496040694