on a coordinate plane triangle uvw has coordinates u v w has coordinates U(20 -20), V'(6, 4.50), and w'(-18,-3).

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.

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6