2 Answered Questions for the topic Trigo

02/27/21

trigonometry (proven question)
cos2 (x/2) = (tanx + sinx) / 2 tanx
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Expert Answers •2
Trigo

06/21/15

How does (1-cos2x)^2=4sin^4x
The actual question is limx->0 xtan2x-2xtanx/(1-cos2x)^2  
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Expert Answers •1

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