SOLUTION: if theta + phi = alpha and tan theta=x tan phi, then prove that sin(theta-phi)=k-1/k+1 sin alpha

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Question 983872: if theta + phi = alpha and tan theta=x tan phi, then prove that sin(theta-phi)=k-1/k+1 sin alpha
Answer by ikleyn(52908) About Me  (Show Source):
You can put this solution on YOUR website!

Hello,
check please your condition.

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