This is the example it says to refer to from my last question I asked

How do you find the area of a triangle

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.

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl