Posted by **Anonymous** on Friday, February 22, 2013 at 7:53pm.

(sec^2x-1)(csc^2x-1)=1 prove the following identity

ive been stuck on this for hours please help

- trig -
**Steve**, Saturday, February 23, 2013 at 4:58am
sec^2(x)-1 = tan^2(x)

csc^2(x)-1 = cot^2(x)

since cot = 1/tan, it follows immediately

- trig -
**Holly**, Tuesday, March 12, 2013 at 7:01pm
A math tutor told me to FOIL it. This is just a hint, or starting point because I don't know for sure.

## Answer This Question

## Related Questions

- Trig verifying identities - I am having trouble with this problem. sec^2(pi/2-x...
- Prove trig identity - Prove the following trigonometric identity: (sec^2x-1)(csc...
- Trig - How do I prove the following Identity? sec x(sec x-cos x)=tan^2x If there...
- trig - prove the identity: csc x-1/csc x+1 = cot^x/csc^x+2 csc x+1
- Pre-Calculus - I don't understand,please be clear! Prove that each equation is ...
- trig - For each expression in column I, choose the expression from column II to ...
- Pre-Calculus - Prove that each equation is an identity. I tried to do the ...
- precalc - prove each identity 1) (sec - cos) / tan = sin 2) (csc^2 - 1) / csc^2...
- pre cal - can someone please show me how to verify this identity? (sec x/csc x ...
- precalc - prove the identity (1 + tan x) / sin x = csc x + sec x

More Related Questions