SOLUTION: Prove the following identity: ((1 + cos x)/sin x)) = cot(x/2)
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Question 548061
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Prove the following identity:
((1 + cos x)/sin x)) = cot(x/2)
Answer by
lwsshak3(11628)
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Prove the following identity:
((1 + cos x)/sin x)) = cot(x/2)
**
Start with right side
cot(x/2)=1/tan(x/2)=(1+cosx)/(sinx)
verified: right side=left side