An Approximation of π by using the law of cosines

Joardar, Bodhideep (2017) An Approximation of π by using the law of cosines. At Right Angles, 6 (3). pp. 43-45.

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Abstract

The approximation of π is a popular pastime of students of mathematics and I have started with the familiar age-old way, of fitting a regular polygon tightly in a circle of radius r.

Item Type:	Articles in APF Magazines
Authors:	Joardar, Bodhideep
Document Language:	Language English
Uncontrolled Keywords:	π, Approximation, Circle, Polygon, Circumference, Law of cosines, Difference of cosines, Limits
Subjects:	Natural Sciences > Mathematics
Divisions:	Azim Premji University - Bengaluru > University Publications > At Right Angles
Full Text Status:	Public
URI:	http://publications.azimpremjiuniversity.edu.in/id/eprint/1305
Publisher URL:	http://apfstatic.s3.ap-south-1.amazonaws.com/s3fs-...

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