Trig Reference Angle Cheat Hand

http://function-of-time.blogspot.com/2009/08/trig-reference-angle-cheat-hand.html

Reference

I was reminded of this in a video by Mister Woo, but it seems that Kate may have come up with this handy mnemonic.

2 June 2013 Edit: 25 February 2014


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jmorgan6 on  21 September 16  at  10:35 PM #

This link is nolonger supported by windows desktop or android platforms :( as far as I can see…