Solving for sine of a multiple angle

The video tutorial explains how to solve a sine equation by dividing, simplifying, and using the unit circle to find angle solutions. It covers the process of square rooting and rationalizing the equation, identifying solutions on the unit circle, and understanding the repetition of solutions. The tutorial concludes with deriving the final answer by dividing and simplifying the equation further.

What is the general solution for 2X when sine equals sqrt(2)/2?

How do you derive the final solution for X from the equation 2X = 3π/4 + πM?