Math, asked by niteshshaw723, 4 months ago

please answer this question

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Answered by nihalsingh4211

1

Answer:

taking LHS

(1+cosA)(1-cosA)(1+cot^2 A)

1^2 - cos^2 A (cosec^2 A)

sin^2 A × 1/sin^2 A

=1

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