ChuckNora16
Rewrite the expression 2sin theta (cos theta)(cot theta) in terms of sine or cosine. For this problem, I got started but I don't know what to do next.



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ChuckNora16
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MelanyN17
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D.

dpaInc
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\(\large 2sin\theta cos\theta cot\theta = 2sin\theta cos\theta \frac{cos\theta}{sin\theta} \)

ChuckNora16
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I'm trying to figure out how to solve it

dpaInc
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cancel the sin(theta)

RomeoRaj
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2cos^2theta

ChuckNora16
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Thank you dplanc, I forgot what cot theta was

dpaInc
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yw...:)

ChuckNora16
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So why does sin cancle out instead of cos?