SOLUTION: Verify: Cosx+2sin^2(x/2)=1
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Question 1117659: Verify: Cosx+2sin^2(x/2)=1
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Use the half-angle formula for sine:
\ =\ \pm\sqrt{\frac{1\,-\,\cos\(\varphi\)}{2}})
John
My calculator said it, I believe it, that settles it
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