Using the double angle formula for sine to solve the trigonometric function

The video tutorial covers solving trigonometric equations using multi-angle and double angle formulas. It begins with a discussion on solving with multi angles and setting functions to zero. The instructor then explains the use of double angle formulas for cosine, emphasizing the importance of rewriting equations in quadratic form for easier factoring. The tutorial concludes with solving trigonometric equations, providing specific solutions and encouraging practice.

What is the significance of setting the function equal to 0 in solving trigonometric equations?

What is the double angle formula for cosine?

How do you rewrite the equation to make it easier to factor?

Explain the process of factoring the equation presented in the lesson.

What values of X satisfy the equation sine of X = 1/2?