Math, asked by emmasharpton, 19 days ago

How does tan2A = 2/cotA-tanA?

Answers

Answered by sandeepreddychallago

0

Answer:

Sol to prove that tan 2A=2/cotA-tanA

RHS tan 2A = 2tanA/1-tansquare A

= 2tanA/tanA(1/tanA-tan A)

=2/cotA-tanA [1/tanA=cotA]

= RHS

=so tan2A = 2/cotA-tanA.

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