How do you evaluate for tangent function on unit circle

The video tutorial explores the calculation of tangent values for special angles on the unit circle, specifically 30, 45, and 60 degrees. It begins with an introduction to the unit circle and the significance of cosine and tangent. The instructor then demonstrates the step-by-step process of calculating the tangent for 30 degrees, including rationalizing the denominator. The tutorial continues with a simplification of the tangent calculation for 45 degrees, highlighting that any number divided by itself equals one. Finally, a shortcut method for calculating the tangent of 60 degrees is presented, emphasizing efficiency in solving these problems.

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