Evaluate the six trigonometric functions for the given real number

The video tutorial explains how to evaluate six trigonometric functions for a given angle by finding coterminal angles. The process involves subtracting 2π to simplify the angle and using the unit circle to determine coordinates. The tutorial also covers rationalizing denominators and simplifying results, concluding with a summary of the steps involved.

What is the process to determine the smallest coterminal angle for 21π/4?

How do you evaluate the six trigonometric functions for the angle π/4?

What is the value of the sine function for the angle π/4?

Describe how to rationalize the denominator when evaluating cosecant for π/4.

Explain the significance of coterminal angles in trigonometric evaluations.