Mark Jensen

Invoke Theory. Apply Boundry Conditions

Visual Mnemonic for Sin and Cos

February 09, 2015 by Mark Jensen in Math / Programming

re: Billings, Zach. 2013. Trigonometry! Simple Hand Trick for Memorizing Values. Flash. Miami, FL: YouTube. http://youtu.be/xXGfp9PKdXM.

This visual mnemonic for calculating sin and cos for the basic angles: 0°, 30°, 45°, 60°, and 90°, is pretty neat. I wish I had known it when I was in school.