Math, asked by hellboy9090, 1 year ago

cos^2 2x=? tell me plz

Answers

Answered by Pr0digal

0

Answer:

1-sin²2x is the answer of this question

Answered by Anonymous

1

Step-by-step explanation:

we know that,

cos2x = 2 cos^2x -1 or 1- 2sin^2x

squaring on both sides

cos^2 2x = 4 cos^4 x +1 or 1 + 4sin^4x

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