document.write( "Question 1062086: Evaluate this expression to degrees.
\n" ); document.write( "arc-cos(π/2)
\n" ); document.write( "A.) $\"+30+\"$
\n" ); document.write( "B.) $\"+45+\"$
\n" ); document.write( "C.) $\"+60+\"$
\n" ); document.write( "D.) $\"+75+\"$ \n" ); document.write( "

Algebra.Com's Answer #676866 by Alan3354(69443) $\"\"$ $\"About$

You can put this solution on YOUR website!
Evaluate this expression to degrees.
\n" ); document.write( "arc-cos(π/2)
\n" ); document.write( "-----
\n" ); document.write( "pi/2 is > 1.
\n" ); document.write( "There is no real number solution.
\n" ); document.write( "----
\n" ); document.write( "Why do you keep posting silly problems? \n" ); document.write( "

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