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Trigonometry by the unit circle

Trigonometry by the unit circle

In this video, Francis introduces the trigonometric functions as functions of real numbers. In particular even-odd properties and the periodicity of the trigonometric functions are considered.

You can access a copy of the slides used in the video in the PDF file at the bottom of this step.

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This content is taken from University of Padova online course

Advanced Precalculus: Geometry, Trigonometry and Exponentials

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Advanced Precalculus: Geometry, Trigonometry and Exponentials

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