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What is sin theta when cos theta is 0
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What is sin theta when cos theta is 0

User MJLefevre
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1 Answer

6 votes

Answer:

Divide by costheta

You get Sin(theta)/Cos(theta) + Cos(theta)/cos(theta) =0

[Sinx/cosx = tanx (a law of trigs)]

so the same as tan(theta) + 1=0

So tan(theta)=-1

Inverse tan/arctan (-1) =3/4 pi and (2pi - 3/4pi) = 7/4pi

Explanation:

User Pedlar
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6.8k points
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