SOLUTION: how to establish cot^2 x/2 = (sec x + 1) / (sec x -1) ?

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Question 944383: how to establish cot^2 x/2 = (sec x + 1) / (sec x -1) ?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
how to establish cot^2 x/2 = (sec x + 1) / (sec x -1) ?
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start with left side:
Identity:tan%28x%2F2%29=sinx%2F%281%2Bcosx%29
cot%28x%2F2%29=%281%2Bcosx%29%2Fsinx

verified: left side=right side