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The function arctan

The function arctan

In this video, Francis introduces the inverse of the tangent function restricting its domain to the interval (]-pi/2,pi/2[) on whichthe tangent function is one-to-one and on which it attains all its values.

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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Advanced Precalculus: Geometry, Trigonometry and Exponentials

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