Evaluate your six trig functions given cotangent

The video tutorial explains how to evaluate trigonometric terms using triangles when a point is not on the unit circle. It covers the use of the Pythagorean theorem to find the sides of a triangle and calculates trigonometric ratios such as sine, cosine, and tangent. The tutorial also discusses the importance of rationalizing denominators in trigonometric expressions.

What is the significance of the unit circle in trigonometry?

Describe the process of finding the cosine of an angle using the adjacent side.