Mathematica. Part 8, The trigonometric ratio, the key to drawing the skies /

In ancient times, seeding and harvest time were determined according to the movement of the stars. For this reason, it was of the utmost importance that people studied the sky. These studies led to the discovery of the Trigonometric Ratio; a key to understanding right triangles.

Bibliographic Details

Other Authors:	Kim, Hyungjoon (Producer), An, Sangmin (Director)
Format:	Video
Language:	English
Language Notes:	In English.
Published:	Arlington, VA : Public Broadcasting Service (PBS), 2012.
Series:	Academic Video Online
Subjects:	Trigonometry. Triangle. Mathematics. Everest, Mount (China and Nepal) Mathematics Trigonométrie. Mathématiques. Everest, Mont (Chine et Népal) Asia > Mount Everest. Educational films. Films éducatifs.
Online Access:	Connect to this streaming video (Alexander Street Press)