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Trigonometry by triangles

Trigonometry by triangles

In this video, Francis introduces trigonometric functions as ratios of the sides of right triangles. Some classical results, as the law of sines, are presented.

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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