Mathematics, 30.07.2020 21:01 cupcake20019peehui

If cosθ = x, then ± √(1+x)/2 = .

cosθ/2
sinθ/2
cos2θ
sin2θ

Answers: 3

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If cosθ = x, then ± √(1+x)/2 = .

cosθ/2
sinθ/2
cos2θ
sin2θ...