Math, asked by yash3044, 1 year ago

(cosec A + sin A) (cosec A - sin A)
= cot2 A + cos2 A

Answers

Answered by sandy1816

8

Step-by-step explanation:

(cosecA+sinA)(cosecA-sinA)

=cosec²A-sin²A

=cot²A+1-(1-cos²A)

=cot²A+1-1+cos²A

=cot²A+cos²A

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