Posted by **Lisa** on Tuesday, February 19, 2013 at 2:52am.

Sec^2 2u-1/Sec^2 2u = Sin^2 2u

## Answer this Question

## Related Questions

- Integration - Intergrate ¡ì sec^3(x) dx could anybody please check this answer. ...
- Pre-Cal - I'm trying to do this identities homework and i can't figure this one ...
- trig - how do you start this equation i've been tryng it for 20min. sec^6x(...
- calculus trigonometric substitution - ∫ dx/ (x^2+9)^2 dx set x = 3tan u dx...
- Pre-Cal - Simplify the expression 1/tan^2x+1 tan^2x+1 = sec^2x = 1/sec^2x I am ...
- pre-cal - what are the steps to solve sec y sin (pi/2-y)=1
- Pre-Cal - I do not know how to find the angle of the function sec 4x = 2 on the...
- Pre-Cal - I do not know how to find the angle of the function sec 4x = 2 on the...
- math - How would you establish this identity: (1+sec(beta))/(sec(beta))=(sin^2(...
- Pre Cal - What is the value of: sin^-1 0.6349, sec^-1 0.5496, tan^-1 0.3457