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

Choose the correct optioin . Justify your choice. (1+ tan^2A)/(1+cot^2A) =

int(1+tan^(2)x)/(1+cot^(2)x)dx-

int(1+tan^(2)x)/(1+cot^(2)x)dx

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

Choose the correct option.Justify your choice:(iv) (1+tan^2A)/(1+cot^2A) =

Simplest form of (1+ tan^2 A)/(1+cot^2A) IS

Simplest form of (1+ tan^2 A)/(1+cot^2A) IS

prove (1 + tan^2A) / (1 + cot^2A) = [(1 - tan A) / (1 - cotA)] ^2 = tan^2A

Evaluate the following integrals : int (1+tan^(2)x)/(1+cot^(2) x ) dx

Prove the following identities, where the angles involved are acute angles for which the expressions are defined. : ((1+tan^2A)/(1+cot^2A))=((1-tanA)/(1-cotA))^2=tan^2A .