Question

find value of
cot²A-1/sin²A​

Answer 1

Answer:

cos²A-1=sin²

sin²/sin²=1

Answer 2

cot²A-1/sin²A

cosec²A/sin²A [cot²A-1=cosec²A,,]

cosec²A/1/cosec²A [sin²A=1/cosec²A]

cosec²A×cosec²A

2cosec²A ans.

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