How to evaluate the half angle for tangent in radians

The video tutorial covers the use of half angle identities to solve for the tangent of 7π/12. The instructor explains the tangent formula and how to find the value of U. The process involves solving for tangent of 7π/6, considering the reference angle and quadrant. The tutorial also addresses simplifying complex fractions, providing techniques to handle them effectively.

What steps can be taken to simplify complex fractions in trigonometric calculations?

How does multiplying by a common factor help in solving trigonometric equations involving fractions?