Drawing Trigonometric Graphs Using the Unit Circle

The video tutorial explains how to draw trigonometric graphs using the unit circle. It covers the sine, cosine, and tangent graphs, detailing how each is derived from the unit circle and their respective properties. The tutorial also discusses the concept of asymptotes in tangent graphs and provides a mathematical explanation of the tangent as a ratio of sine and cosine. The video concludes with a summary of the importance of understanding these graphs for solving various mathematical problems.

Discuss the general shape of the tangent graph and how it compares to sine and cosine graphs.

How can the tangent function be expressed in terms of sine and cosine?

What happens to the tangent value as the angle approaches 90 degrees?

What are the key characteristics of the sine, cosine, and tangent graphs that are important to remember?