Math, asked by harsharathi560, 2 months ago

cot²A-1/sin²A= -1 prove that Lhs = Rhs

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Answered by bushrakhan406

1

Answer:

LHS= cot²A-1/sin²A

put cot²A = cos²A/ sin²A

= (cos²A/ sin²A) - 1/sin²A

= (1- sin²A-1)/ sin²A

= - sin²A/ sin²A

= -1

= RHS

Answered by mathdude500

1

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