Math, asked by aakarshgoyal23, 6 months ago

Ques.- cos⁴ A - sin⁴ A is equal to

Answers

Answered by Anonymous
13

ur answer in the above attachment!

I hope it's help u ❤

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Answered by rildarmm
1

Answer:

cos⁴A - sin⁴A = 2cos²A - 1

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