Math, asked by fastdepends, 5 months ago

1-cos^4/sin^4
= 1 + 2 cot^2 A

Answers

Answered by sakina32

2

Answer:

2A is the right answer. i m sure

Answered by thummalanithinkumary

0

I got 1-cos⁴A=1+2Sin²A.cos²A

2 cot ²A I think

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