Evaluate the inverse trig with composition

The video tutorial focuses on understanding the unit circle and the concept of cosine. It explains how to interpret cosine as adjacent over hypotenuse and explores the use of cosine inverse to find angles not on the unit circle. The tutorial further demonstrates how to calculate the tangent of an angle using a triangle, emphasizing the importance of understanding trigonometric functions beyond the unit circle.

What new insight or understanding did you gain from this video?

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