Math, asked by gorakhshahteli666, 6 months ago

If 2 TANA = 3TAN B, prove that Tan (A-B)=sin2B/5-Cos2B

Answers

Answered by STarAK

2

tan(A−B)

=tanA−tanB1+tanAtanB

=tanB2+3tan2B

=tanBcos2B2cos2B+3tan2Bcos2B

=sin2B4+2sin2B

=sin2B5−cos2B

MARK AS BRANLIST Bro

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