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April 18, 2014

April 18, 2014

Posted by **Sarah** on Sunday, November 28, 2010 at 12:29am.

- Trigonometry college -
**drwls**, Sunday, November 28, 2010 at 1:36amif csc(theta) = -3.1, sin(theta) = -1/3.1 = -0.3226

arcsin(-0.3226) = 5.9547 radians

The reference angle is 0.3285 radians. Add that to pi for the other angle. I get 3.47 radians, not 3.48

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