I really don’t get this problem then it’s for a math class and I really don’t know what to do can somebody please help me

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

What point is the projection of q on a) r b) s c) t

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.