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March 30, 2015

March 30, 2015

Posted by **Jennifer** on Thursday, March 3, 2011 at 7:55pm.

2) sin 165 degrees

3) tan 285 degrees

- Trigonometry -
**bobpursley**, Thursday, March 3, 2011 at 7:58pmisn't 255 = 180+75=270-15 which is 270-30/2?

isn't 165=180-30/2

isn't 285=270+30/2?

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