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September 20, 2014

September 20, 2014

Posted by **Anonymous** on Wednesday, April 17, 2013 at 11:25pm.

- Trig -
**Henry**, Friday, April 19, 2013 at 8:34pmsec(A/2) = 1.4275

cos(A/2) = 1/1.4275 = 0.70053

A/2 = 45.53

A = 91.06o

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