how do you do this problem?

nike

1.use the fundamental identities to change the expression to one involving only sines and cosines. then simplify. show all work.

sec^2 x - (sec^2 x/csc^2 x)

dd-man

(sec^2 x/csc^2 x)=tan^2 x

sec^2 x-tan^2 x=1

Therefore it is all 1.