Verify the identity.
1/1 − sin^2(y)
= 1 + tan^2(y)
Use a Pythagorean Identity

Which equation represents the partial sum of the geometric series?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.