Topic: pre-calculus

2 items are filed under this topic.

Please help me verify the identity: cos2x(sec2x-1)=sin2x

Also I am having trouble withdetermining whether f(x) is odd, even, or neither f(x)=x3-x

Solve the equation for theta (0 <= theta < 2pi).

tan^{2}(theta) = 3 I know sec^{2}(theta) -1 = tan^{2}(theta) ...Answered by Harley Weston.