This precalculus video tutorial explains how to convert polar equations to rectangular equations. It contains plenty of examples and practice problems. In polar form, the equation contains the variables r and theta which is the radius and the angle of the vector. In rectangular form, coordinates are represented by x and y.

Trigonometry - Free Formula Sheet:
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Solving Trig Equations - Finding All Solutions:
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Solving Trig Equations with Multiple Angles:
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Solving Trig Equations with Double Angles:
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Law of Sines:
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More Examples - Law of Sines:
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Area of an Oblique Triangle:
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The Height of a Triangle - Heron's Formula:
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Law of Cosines:
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Polar Coordinates:
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Rectangular Equations to Polar Equations:
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How To Graph Polar Equations:
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Complex Numbers - De Moivre's Theorem:
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Dot Product of Two Vectors:
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Trigonometry Final Exam Review:
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Final Exams and Video Playlists:
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Full-Length Videos and Worksheets:
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