Evaluating Inverse Trigonometric Functions

The video tutorial explains how to evaluate the inverse sine of negative square root of 2 over 2. It covers writing the problem in function notation, determining the range, and using the unit circle to find the correct angle. The tutorial emphasizes the importance of staying within the range of inverse functions and concludes that the sine of negative pi over 4 equals negative square root of 2 over 2.

How do you determine the sine of an angle using the unit circle?

What is the significance of the negative angle in the context of inverse functions?