Math, asked by EthanH3218, 1 year ago

If cos theta = 1/2 then find the vaue of cos 4 theta

Answers

Answered by Akshat456723

1

Answer is - 1/2

Is it correct?

Answered by kondreddymounika

0

cos4x = 1-8sin2xcos2x

cosx= adjancet /hypotenuse = 1/2 then sinx= 3/2

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