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(tan A)/((1+tan^(2)A)^(2))+(cot A)/((1+c...

(tan A)/((1+tan^(2)A)^(2))+(cot A)/((1+cot^(2)A)^(2))

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Prove that: (tan A)/(1+tan^2A)^2 + (cot A)/(1+cot^2A)^2 = sin A cos A .

(tan^(2)A)/(1+tan^(2)A)+(cot^(2)A)/(1+cot^(2)A)=1

Prove each of the following identities : (tan theta)/((1+ tan^(2) theta)^(2)) + (cot theta)/((1+ cot^(2) theta)^(2)) = sin theta cos theta

(tan theta)/((1+tan^(2)theta)^(2))+(cot theta)/((1+cot^(2)theta)^(2))=sin theta cos theta

If (tan^(3)A)/(1+tan^(2)A)+(cot^(3)A)/(1+cot^(2)A)=p secA"cosec"A+q sinA cosA , then :

If (tan^(3)A)/(1+tan^(2)A)+(cot^(3)A)/(1+cot^(2)A)=p secA"cosec"A+q sinA cosA , then :

Prove that (1+tan^(2)A)/(1+cot^(2)A)=((1-tan A)/(1-cot A))^(2)=tan^(2)A

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(1+tan^(2)A)/(1+cot^(2)A)=