Question

Simplify the expression cot^2 x - csc^2 x + sec^2 x.

A) sec^2 x
B) -sec^2 x
C) tan^2 x
D) csc^2 x
E) -tan^2 x

Answer 1

C)

Answer 2

Thanks! I got that to.... is this how you did it?

csc^2x -1 - csc^2x + sec^2x

-1 + sec^2x

sex^2x -1 = tan^2x ???

Answer 3

Awesome! you deserve a medal!! :D

Answer 4

Thanks!