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sine rule :
a/sinA = b/sinB = c/sinC

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area of triangle = 1/2 ab sinC

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Sin= opposite over hypotenuse
Cos= adjacent over hypotenuse
Tangent=opposite over adjacent
Half AB sin C

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The bearing reading must start from the North Pole

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Hi Cher I am is know how to do the is cosine and tanget rule

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angle of elevation of an object is an angle in which through which an observer's eye must be raised from the horizontal to see an object

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Sine and cosine rule
Toa Cah Soh

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sine rule & cosine rule

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I learnt about sin, cos and tan

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Bearings, angle of elevation, using sine rule to find the area

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pythagoras theorem
tan sin cos
1/2 ab sin c
cosine rule
sine rule:sin A over a,sin B over b
bearings

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Area of triangle: 1/2 absineC

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Toa Cah Soh
Tangent cosine sine

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I learn’t how to find the angle or the length of a part of a triangle with cosine, sine and tangent.

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cos sin tan
Sine rule
Cosine rule

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Cosine rule
Sine rule
Pythagoras theorem

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Sine and cosine rule, area of triangle, pythagoras theorem, bearing problems

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Sine and cosine rule, area of triangle, pythagoras theorem, bearing problems

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Sine cosine tangent