Do this and draw it to get 30(wow) points have fun :)

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

Just tell me how to set up the equation.

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.