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Questions  

sin2θ=

a
1+cos⁡2θ2
b
1−cos⁡2θ2
c
1−cos2⁡θ
d
sin⁡(2θ)

detailed solution

Correct option is C

sin2⁡θ+cos2θ=1 sin2⁡θ=1-cos2θ

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