Learn how to solve trigonometric equation with cosine on both sides

The video tutorial explains solving a mathematical problem by factoring and using the zero product property. It involves moving terms to one side, factoring out cosine, and setting the product to zero. The unit circle is used to find solutions for cosine values, and alternative methods involving sine are discussed.

What is the significance of the unit circle in solving for cosine values?

When is cosine of X equal to 1 and -1 according to the text?