Asked by pankaj
prove (tan^3x/1 tan^2x) (cot^3x/1 cot^2) = (1-2sin^2x cos^2x)/sinx cosx
Answers
Answered by
Steve
I assume the missing operators are +, and thus that you mean
tan^3x/(1+tan^2x) * cot^3x/(1+cot^2x)
= (1-2sin^2x cos^2x)/(sinx cosx)
but that is in fact not true. Maybe you can fix it up and try again.
tan^3x/(1+tan^2x) * cot^3x/(1+cot^2x)
= (1-2sin^2x cos^2x)/(sinx cosx)
but that is in fact not true. Maybe you can fix it up and try again.
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