Journal Article

·2014

Proof Without Words: An Arctangent Identity

Hasan Ünal YTU

College Mathematics Journal

Abstract

SummaryA visual proof of an arctangent identity involving π.

Keywords

Inverse trigonometric functions Identity (music) Mathematics Algebra over a field Arithmetic Pure mathematics Aesthetics Mathematical analysis Art

Subject Areas

History and Theory of Mathematics ·Theoretical Computer Science ·Physical Sciences
Mathematics and Applications ·Geometry and Topology ·Physical Sciences

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