What is a half-angle identity to find the exact value of sin? Group of answer choices

sin⁡θ=(2-cos⁡2θ)/3

sin⁡θ=(1-cos⁡2θ)/2

sin⁡θ=(1+cos⁡2θ)/2

sin⁡θ=(1-cos⁡2θ)/4

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naomicervero

10.11.2020

Mathematics

91 degrees

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What is a half-angle identity to find the exact value of sin? Group of answer choices sin⁡θ=(2-cos⁡2θ)/3 sin⁡θ=(1-cos⁡2θ)/2 sin⁡θ=(1+cos⁡2θ)/2 sin⁡θ=(1-cos⁡2θ)/4