Friday

January 30, 2015

January 30, 2015

Posted by **Anonymous** on Sunday, August 12, 2012 at 4:51pm.

- Trigonometry -
**Steve**, Monday, August 13, 2012 at 12:19am2sinAsinB = cos(A-B) - cos(A+B)

plug in A=37°, B=26° to get

cos11° - cos63°

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