Question

cosec²A-cos²Acosec²A-1=0​

Answer 1

Solution :-

Q: cosec²A - cos²A cosec²A - 1 = 0

LHS : cosec²A - cos²A cosec²A - 1

= 1/sin²A - cos²A/sin²A - 1

= (1 - cos²A)/sin²A - 1

= sin²A/sin²A - 1

= 1 - 1

= 0 = R.H.S

Hence, Proved

Things to know :

cosec²A = 1/sin²A

1 - cos²A = sin²A

Answer 2

Answer:

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