Evaluating Inverse Trigonometric Functions

The video tutorial explains how to evaluate inverse trigonometric functions, focusing on the inverse cosine function. It emphasizes understanding the range of the function and how to represent it mathematically. The tutorial uses the unit circle to relate cosine values to angles, specifically finding the angle whose cosine is 1/2. The process involves identifying the correct angle within the specified range, leading to the conclusion that the inverse cosine of 1/2 is π/3.

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