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2tanx(1-sin^2x) the answer is sin2x but im not sure how to get there?

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  • 2tanx(1-sin^2x) the answer is sin2x but im not sure how to get there?


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If f(x)= sin^4x ... 2tanx Question that I have answered but not sure if it's really the right answer: ... 2tanx So, I'll just get the derivative ...
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Positive: 25 %
How to prove the identity `sin^2x + cos^2x = 1` ?, Topics ... This is not a proof, but it sure is ... you will get an answer of 1. 1 = sin^2 x ...
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Positive: 22 %

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... ^2=\sin^2x+\sinh^2y$? Im not sure how to ... You can take it from there. By the way, to get the sine addition formula and the ... Not the answer you're ...
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Positive: 25 %
get answers with explanations ... ^2 = tan^2x + 2tanx + 1 = sin^2x + 2sinx + 1 ----- ----- cos^2x cos x = sin^2x + 2sinxcosx + cos^2x ... If so I'm not ...
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Positive: 20 %
However I am not sure how to make this ... the Pythagorean identity $\cos^2x+\sin^2x=1$ gives us $\cos^2x=1-\sin^2x$, ... Not the answer you're looking ...
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Positive: 6 %
how to prove: sin2x=2tanx/1+tan^2x. ... Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, ...
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Positive: 10 %

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