Question

plz solve it and send me the answer ​

Answer 1

Answer:

sin(2x) = 2 sin(x) cos(x) cos(2x) = cos2(x) – sin2(x) = 1 – 2 sin2(x) = 2 cos2(x) – 1. PLZ MARK ME AS BRAINLIEST ANSWER.

Answer 2

Answer:

$\huge\boxed{\fcolorbox{red}{pink}{Your's Answer}}$

sin(2x)= 2sin(x)cos(x)cos(2x)

=cos(2x)-sin(2x)

=1-2sin2(x)

=2cos2x-1

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