SOLUTION: 2tan^2x sinx-tan^2x=0

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Question 1167296: 2tan^2x sinx-tan^2x=0
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
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Maybe you are given 2%2Atan%5E2%28x%29%2Asin%28x%29-tan%5E2%28x%29=0.


%28tan%5E2%28x%29%29%282sin%28x%29-1%29=0
(Use zero-product principle and simple knowledge of unit-circle.)