SOLUTION: (cscA+1)(cscA-1)=cot^2A

SOLUTION: (cscA+1)(cscA-1)=cot^2A

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Question 937078: (cscA+1)(cscA-1)=cot^2A
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

...Pythagorean Identities:

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