document.write( "Question 451441: I would really appreciate some help on this problem.\r
\n" ); document.write( "\n" ); document.write( "Use a calculator and inverse functions to find the radian measures of the angles whose cosine is 0.75.
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Algebra.Com's Answer #310405 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
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