How to Find the Angle Given the Cosine Inverse of a Value on the Unit Circle

The video tutorial explains how to solve trigonometric equations by using inverse functions, specifically focusing on the cosine function. It guides students through the process of finding angles using the unit circle and special right triangles, emphasizing the importance of reference angles and restrictions. The tutorial also covers how to identify valid angles when given specific cosine values, using both radians and degrees.

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