document.write( "Question 1091650: Find the exact value of the expression as a single fraction.
\n" ); document.write( "Sin(pi/4)cos(0)-sin(pi/6)cos(pi)
\n" ); document.write( "

Algebra.Com's Answer #706080 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Sin(pi/4)cos(0)-sin(pi/6)cos(pi)
\n" ); document.write( "===========
\n" ); document.write( "sin(pi/4) = sqrt(2)/2
\n" ); document.write( "cos(0) = 1
\n" ); document.write( "sin(pi/6) = 1/2
\n" ); document.write( "cos(pi) = -1
\n" ); document.write( "---------
\n" ); document.write( "You have to know those.
\n" ); document.write( "
\n" );