How to find the exact value using the difference formula of two angles for tangent

The video tutorial covers the tangent of 15 degrees, breaking it down into simpler components using tangent subtraction formulas. It emphasizes the importance of understanding coordinate points and tangent values, especially for tests. The tutorial also demonstrates techniques for simplifying fractions and radical expressions, including the use of conjugates. The instructor provides step-by-step guidance and encourages practice to master these concepts.

How do you determine the bottom sign when working with tangent functions?

What should students remember about the tangent values of 30, 45, and 60 degrees?

What is the final answer obtained after simplifying the expression discussed?