How to evaluate for the half angle of tangent

The video tutorial covers solving an equation for U, evaluating tangent using the unit circle, calculating cosine and sine values, simplifying fractions, and rationalizing denominators. The instructor guides through each step, ensuring understanding of mathematical operations and concepts involved.

What is the value of U when U/2 is equal to 3/5 or 8?

How do you evaluate the tangent at the angles 3, 5 or 4 using the unit circle?

What are the cosine and sine coordinates for the angle 3, 5 or 4?

Explain the process of rationalizing the denominator in the expression 2/sqrt(2).

What is the final result after rationalizing the expression 2 sqrt(2)/2 + 1?