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December 19, 2014

December 19, 2014

Posted by **Jesse** on Wednesday, April 22, 2009 at 1:43am.

- Trig -
**drwls**, Wednesday, April 22, 2009 at 2:45amUse the formula

sin (A-B) = sin A cos B - cos A sin B

In this case, A = 70 and B = 10 degrees.

You should know what the sin of 60 is.

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