Find multiple solutions to a trigonometric equation

The video tutorial explains how to factor a trinomial equation involving cosine, solve for X/2, and determine valid solutions within a specified range. It emphasizes not being confused by coefficients and demonstrates the process of multiplying to solve for X. The tutorial concludes with instructions on using a graphing calculator to verify solutions.

What is the process to factor the given trinomial?

How do you solve for cosine of X / 2 when it equals 1/2?

What are the solutions for X in the equation discussed?

Why is 10π / 3 not considered a valid solution in the given context?

What should you do if you don't have a graphing calculator?