This precalculus video provides a basic introduction into parametric equations. It explains the process of eliminating the parameter t to get a rectangular equation of y in terms of an x variable. It also discusses how to graph plane curves which is the same as graphing parametric equations. This video is useful for high school and college students taking precalculus or calculus 2. This video contains plenty of examples and practice problems including parametric equations that contain trigonometry such as sine and cosine functions which leads to the graphs of conic sections such as circles and ellipses.

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