Question

please any one solve this​

Answer 1

Answer:

1

Step-by-step explanation:

sin^2x / ( 1+cot^2x) =( sin^2x) (sin^2x)

tan^2x/( 1+tan^2x)^2 = sin^2x cos^2x

now, (sin^2x) (sin^2x) + (sin^2x cos^2x) + cos^2x

= sin^2x (sin^2x + cos^2x) +cos ^2x

=sin^2x (1) + cos^2x

=1