College Trigonometry Course Exam

Which of the following is the double-angle identity for sine?

sin(2θ) = 2sin(θ) cos(θ) sin(2θ)=sin 2 (θ−cos 2 (θ) sin(2θ)=1−2cos 2 (θ) sin(2θ)=1−sin 2(θ)

sin(2θ) = 2sin(θ) cos(θ)

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