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April 20, 2014

April 20, 2014

Posted by **Britt** on Thursday, December 15, 2011 at 10:26pm.

1) C = 145 degrees, b = 4, c = 14.

2) A = 150 degrees, C = 20 degrees, a = 200.

- trigonometry -
**Steve**, Friday, December 16, 2011 at 12:45amsinB = b sinC/c

having B you now have A = 180 - (B+C)

a = c sinA/sinC

the second is easier. You already know that B = 10 degrees. now just use b/sinB = c/sinC = a/sinA

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