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January 30, 2015

January 30, 2015

Posted by **stellar** on Saturday, October 22, 2011 at 12:38am.

cos θ = 0.32

- precal -
**Nell**, Saturday, October 22, 2011 at 4:01amUse algebra technique to make arc-cos(0.32) then round the answer to the two decimal places, = 71.34. So cos(71.34) = 0.32

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