Math, asked by rishabhdubey2003, 1 year ago

prove that
tanA-cotA=2cot2A

Answers

Answered by love6385

2

· cotA-tanA = 2.cot 2A L.H.S. =cosA/sinA-sina/cosA ... How can you prove that Tan 75° + cot 75°=4? ... 2cot2A = 2(cos²Α-sin²Α)/2sinA cos

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