Question

sin 2x व cos2x का मान के tanx पदो में ज्ञात कीजिए।
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Answer 1

SOLUTION

TO DETERMINE

To express sin 2x and cos 2x in terms of tan x

EVALUATION

We have to express sin 2x and cos 2x in terms of tan x

Here

$\displaystyle \sf{ \sin 2x = \frac{2 \tan x}{1 + { \tan}^{2}x } }$

$\displaystyle \sf{ \cos 2x = \frac{1 - { \tan}^{2}x }{1 + { \tan}^{2}x } }$

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