SOLUTION: How to prove (cosec A-1)/(cosec A+1) = (cos A)^2/(1+sin A)^2

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Question 1000125: How to prove
(cosec A-1)/(cosec A+1) = (cos A)^2/(1+sin A)^2
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How to prove
(cosec A-1)/(cosec A+1) = (cos A)^2/(1+sin A)^2
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Is it csc(A) + 1 ?
Or csc(A +1) ?