Determine the equation of the line.

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.

Me find the answer and explain the process to find the answer of the problem appreciate it : )

What exclusions are placed on the variable x for the fraction = ? - 0 -1 none