+0  
 
+9
649
2
avatar+94105 

This trig memory trick from TheXSquaredFactor is really good.

 

It is for 'remembering' the sine and cosine of angles that most students are told to memorize. 

 

So that is 0,30,45,60 and 90 degrees.

 

I think a lot of students would make good use of this nifty 'trick'.

 

Thanks XSquaredFactor :)

 

https://web2.0calc.com/questions/sine-cosine-and-tangent_2#r7

Melody  Jan 23, 2018
 #1
avatar+2294 
+2

It's good to be recognized every once in a while. 

 

Thanks, Melody :)

TheXSquaredFactor  Jan 23, 2018
 #2
avatar+556 
0

Sorry, just realized this had nothing to do with XSquaredFactor. Sorry!

helperid1839321  Jan 30, 2018
edited by helperid1839321  Jan 30, 2018

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