Question

Prove that 1+sec^2x*sin^2x=sec^2x

Answer 1

Remember, \(\sec^2x = \dfrac{1}{\cos^2 x}\)

Answer 2

How does that help me?

Answer 3

Replace it then simplify. You will see what I mean.

Answer 4

in 1+sec^2x*sin^2x, of course.

Answer 5

I got it, sorry for not reporting back to you.