Some down-to-earth trigonometry

Ramachandran, A. (2018) Some down-to-earth trigonometry. At Right Angles, 7 (3). pp. 53-58.

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Latitudes and longitudes are imaginary circles that run East-West and North-South respectively, on the earth’s surface. Unlike longitudes (or meridians), latitudes (or parallels) vary in length. The Equator is the longest. The others decrease in size till the poles, which are just points. The length of the other latitudes can be expressed as fractions of the length of the Equator.

Item Type: Articles in APF Magazines
Uncontrolled Keywords: Latitudes, Longitudes, Trigonometry
Subjects: Natural Sciences > Mathematics
Divisions: Azim Premji University > University publications > At Right Angles
Depositing User: Mr. Sachin Tirlapur
Date Deposited: 28 Nov 2018 08:09
Last Modified: 28 Nov 2018 08:09
Publisher URL:

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