Math, asked by akramaky64, 6 months ago

what is the value of cos2x?

Answers

Answered by yuvraj2477

3

Answer:

Hi Akramakya

Step-by-step explanation:

Your Question is a formula and the answer is below

cos2x = cos^2x - sin^2x

cos2x = 2cos^2x - 1

cos2x = 1 - 2sin^2x

I hope you will mark me as brainlist. Thanks

Answered by FlareSpy64

1

Answer:

cos2x=2cos2x−1or=1−2sin2x

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