Math, asked by maxtern78, 9 months ago

cot²A - 1/sin²A + 1 = 0

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Answers

Answered by samyakbhansali2004

2

Answer:

-1

Step-by-step explanation:

To prove cot^2a-1/sin^2a=-1

LHS

As coseca =1/sina

》cot^2a-cosec^2a

and cot^2a=cosec^2a-1

》cot^2a-cosec^2a=-1

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