Trig
posted by Courtney .
Simplify: csc A  sin A  Cot A
Cot A Csc A
1/sin  sin A  1/tan
1/tan 1/sin
sinA?

rewrite all in terms of sines and cosines, find a common denominator and "simplify".
BTW, I got it as far as
cotA(cosA  1)
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