Question

sin^2x . cos^2y _cos^2x.sin^2y​

Answer 1

Step-by-step explanation:

please wrute ut properly what to find inits

Answer 2

Answer:

sin^2x-sin^2y =sin (A+B).sin (A-B)

Step-by-step explanation:

sin^2x.cos^2y-cos^2x.sin^2y

sin^2x. (1-sin^2y)-cos^2x.sin^2y

= sin^2x-sin^2y.sin^2x-cos^2x.sin^2y

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

=sin^2x-sin^2y