Math, asked by sujathasanna6, 10 months ago

Cosec/Cosec -1+Cosec/Cosec+1=2Sec2

Answers

Answered by pritikasahu8576

4

Step-by-step explanation:

cosec(cosec+1+cosec-1)/cosec^2-1

=2sec^2

2cosec^2/cot^2=2sec^2

2/sin^2=2sec^2.cos^2/sin^2

2/sin^2=2/sin^2

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