Mathematics, 06.05.2020 01:48 sophiaaafaline

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Verify that (1+cos2θ)/2cosθ = cosθ is an identity

___PLEASE HELP___ Verify that (1+cos2θ)/2cosθ = cosθ is an identity

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Verify that (1+cos2θ)/2cosθ = cosθ is an identity
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