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January 27, 2015

January 27, 2015

Posted by **Theri** on Monday, May 16, 2011 at 10:31am.

- trig -
**Reiny**, Monday, May 16, 2011 at 11:00amsin^-1 (√3/2) = 60

cos 60 = 1/2

cos(sin^-1 (√3/2)) = 1/2

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