How to solve for the half angle of sine

The video tutorial explains how to find solutions for the sine of X/2 using the unit circle. It covers identifying angles in different quadrants, understanding when the sine is negative, and finding coterminal angles. The tutorial also discusses calculating infinite solutions by adding multiples of 2π and provides final solutions for the given trigonometric equation.

What is the importance of identifying the quadrants when solving trigonometric equations?

Discuss the implications of adding 2πK in the context of finding multiple solutions.

How do you determine the final answer for X when solving the equation involving sine?