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Can any other trig. tool also do the same?

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how do you know when to use cos,sin,tan

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Why is cos negative

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why is cosine negative

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why is the cosine negative?

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I wonder how we are going to use this function

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why is cos negative

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can we also multiply to get our answer?

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Why are they using only A

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is there a different way to solve?

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cos negative?

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why is cosine negative?

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why is the cos negative?

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Why is the cosine negative?

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why is cos negative?

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i wonder why theres a negative 1 over cos

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is it always gonna be cos

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i wonder why os is negative

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why is cos negative?

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do we have to divide the 2 numbers that they give us to get the answer

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why is the cos negative ?

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I wonder whats going on