CBSE BOARD X, asked by divithswarup2203, 1 year ago

Write the value of cotsquare
thita -1/sinsquare thita

Answers

Answered by Soudha

3

cot²∆ -1/sin²∆ = cot²∆-cosec²∆ = -1(cosec²∆- cot²∆) = -1×1 =-1

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