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Prove the following: tan 2 x+3tanx-7cot 3 x=1-cotxsin 2 x

Prove the following:
tan2x+3tanx-7cot3x=1-cotxsin2x
 

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
put x as 45 degree

LHS does not match RHS

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