SOLUTION: Use the fundamental identities to find an equivalent expression involving only sines and cosines and then simplify it. (1-cscx)(1+cscx)

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Question 766717: Use the fundamental identities to find an equivalent expression involving only sines and cosines and then simplify it.
(1-cscx)(1+cscx)
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Use the fundamental identities to find an equivalent expression involving only sines and cosines and then simplify it.
(1-cscx)(1+cscx)
difference of squares
=-cot^2(x)