document.write( "Question 1111937: If
\n" ); document.write( "cos
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\n" ); document.write( "7
\n" ); document.write( "9
\n" ); document.write( "cosy=
\n" ); document.write( "9
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\n" ); document.write( "7
\n" ); document.write( " , then what is the positive value of
\n" ); document.write( "cos
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\n" ); document.write( "2
\n" ); document.write( "y
\n" ); document.write( "cos
\n" ); document.write( "2
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\n" ); document.write( "1
\n" ); document.write( " y, in simplest radical form with a rational denominator? \n" ); document.write( "

Algebra.Com's Answer #726979 by Alan3354(69443) $\"\"$ $\"About$

You can put this solution on YOUR website!
Makes no sense. \n" ); document.write( "

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