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November 29th, 2017, 07:27 PM  #1 
Member Joined: Oct 2017 From: Japan Posts: 60 Thanks: 3  Unit Circle, special triangles
If you would like to take a look, I made a couple of lessons on the Unit Circle, special triangles and how to easily obtain the sine and cosine of their angles from the circle. 
November 30th, 2017, 12:43 AM  #2 
Senior Member Joined: Dec 2015 From: Earth Posts: 238 Thanks: 27 
Make one with zetafunction


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circle, special, triangles, unit 
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