Math, asked by vamsinadh7111, 1 year ago

show that sin2a/1+cos2a=tana

Answers

Answered by manish5365

9

L.H.S.

=sin2a/(1+cos2a)

=2sina×cosa/(1+cos²a-sin²a)

=2sina×cosa/(cos²a+sin²a+cos²a-sin²a)

=2sina×cosa/(2cos²a)

=sina/cosa

=tana

=R.H.S.

Answered by brunoconti

1

Answer:

Step-by-step explanation:

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