CBSE BOARD X, asked by aditii13, 1 year ago

Cot raised to 4minus one is equal to cosec raised to 4 minus 2 cosec square

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Answered by mananjain186
0

Using identities cot^2A+1=Cosec^2A

And indentity cot^2A=cosec^2A-1

I hope you understand my writing .

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Answered by sshazu5856
0

just substitute using the identity

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