Question

Find the value of y​

Answer 1

scan it on PHOTOMATH... u will get ans..

Answer 2

hey mate:

given here

y=1- 2sin^2π/12.

but we know that

cos 2x= 1-2sin^2x

then,

y=cos 2(π/12)

y=cos π/6

y=√3/2.

ANSWER :

YOUR answer will be option number (2).

I hopes its helps u.

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