11.4 Lesson

So far we have studied in depth how to evaluate the trigonometric functions for a given angle. In this lesson we will study the reverse problem – how to evaluate an angle given the trigonometric function. In order to do this, we will need to use inverse trigonometric functions. Click here to view a presentation about these functions.
Note: You must have a Texas Instruments 83/84 graphing calculator to follow the steps in this presentation.