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

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

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

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

Integrate the following functions (i) int((1+x)^(4))/(x)dx (ii) int(e^(200x)+e^(202x))/(e^(x)+e^(-x))dx (iii) int(1+tan^(2)x)/(1+cot^(2)x)dx

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

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

What is (1+ tan^(2) theta)/(1+cot^(2) theta) -((1-tan theta)/(1-cot theta ))^(2) equal to ?

Prove each of the following identities : (1+ tan^(2) theta)(1+ cot^(2) theta)=(1)/((sin^(2) theta- sin^(4) theta))

(1+tan^(2)theta)/(1+cot^(2)theta)=((1-tan theta)/(1-cot theta))^(2)