SOLUTION: (3 csc x +3)(3 csc x -3) simplify

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Question 1032684: (3 csc x +3)(3 csc x -3) simplify
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Likely method: You should multiply the two binomials and use the definition of cosecant. (Not exactly....)

Recognize the expression gives Difference of Squares.
9%2Acsc%5E2%28x%29-9, already very simple.

Anything more?
9%28csc%5E2%28x%29-1%29, and an identify can be found for the quadratic expression;
9%2Acot%5E2%28x%29----------SIMPLIFIED.