I am a little confused on how to simplify th following expression.
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Write cot^2(x) as 1/tan^2(x), then get a common denominator.
the question is actually multplied by not +, my mistake. Um so 1/tan^2(x).[2+tan^2(x)]
Divide each term in 2 + tan^2(x) by tan^2(x)...
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