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(tanθ+sinθ)/(2tanθ)=cos^2((θ)/(2)) verify the identity (tanθ+sinθ)/(2tanθ)=cos^2((θ)/(2)) verify the identity @Mathematics
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try converting to sin and cos
= sinx / cos x + sinx / 2sinx/cosx
= sin x + sinxcosx cos x
-------------- * ----
cos x 2sin x
= 1 + cos x
= cos^2 (x/2)
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