Asked by Ruby

Simplify the expression cos^2 x (sec^2 x-1)

13 years ago

Answered by drwls

Note that cosx*secx = 1
so (cosx*secx)^2 = 1 also.
Your expression is therefore
1 - cos^2x = sin^2x

13 years ago

There are no AI answers yet. The ability to request AI answers is coming soon!

Answers