Math, asked by luna69, 4 months ago

cos^4x+sin^4x=1/2(2-sin^22x)

Answers

Answered by tennetiraj86

20

Answer:

answer for the given problem is given

Used formulae:-

(a+b)^2 =a^2+2ab+b^2

sin^2A+cos^2A=1

Sin2A=2SinACosA

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