Math, asked by vermaaastha235, 11 months ago

the value of cosec^4A - 2cosec^2A+1 is?

Answers

Answered by Anonymous

6

Step-by-step explanation:

Cosec⁴A - 2Cosec²A + 1

(Cosec²A - 1)²

(Cot²A)²

Cot⁴A

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