Write a point in rectangular form from polar form

The video tutorial explains how to convert polar coordinates to rectangular coordinates using exact forms. It begins with an introduction to the importance of exact forms, followed by the formulas for conversion. The tutorial then demonstrates how to use the unit circle to evaluate trigonometric functions, specifically focusing on cosine and sine. Finally, it shows how to calculate the coordinates without using decimals and suggests verifying the results with a calculator.

Explain how the unit circle is used to evaluate trigonometric functions.

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What is the significance of reference angles in trigonometry?

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