How to find ALL of the x intercepts

The video tutorial explains how to find X intercepts by setting Y to 0 and solving the equation. It introduces the graphical approach to understanding the sine function, including its amplitude and range. The tutorial discusses the relationship between sine and angles, emphasizing the use of the unit circle. Finally, it explains how to find all X intercepts by considering the periodicity of the sine function and using coterminal angles.

What new insight or understanding did you gain from this video?