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On a Common Mnemonic from Trigonometry

A picture is used to explain why a mnemonic for memorizing the sines of familiar angles works.

Old Node ID: 
1450
Author(s): 
Eugene C. Boman (Penn State University, DuBois Campus) and Richard Brazier (Penn State University, DuBois Campus)
Publication Date: 
Friday, March 9, 2007
Original Publication Source: 
College Mathematics Journal
Original Publication Date: 
September, 2004
Subject(s): 
Geometry and Topology
Trigonometry
Trigonometric Functions
Flag for Digital Object Identifier: 
Publish Page: 
Furnished by JSTOR: 
File Content: 
Rating Count: 
71.00
Rating Sum: 
215.00
Rating Average: 
3.03
Author (old format): 
Eugene C. Boman and Richard Brazier
Applicable Course(s): 
2.2 Trigonometry
Modify Date: 
Friday, March 9, 2007
Average: 3.1 (71 votes)

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