document.write( "Question 854826: if f(x)= cos([pi]x)+cos[pi x] then f(pi/2) is-- \n" ); document.write( "
Algebra.Com's Answer #515072 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
if f(x)= cos([pi]x)+cos[pi x]
\n" ); document.write( "then f(pi/2) is ?
\n" ); document.write( "-----
\n" ); document.write( "f(pi/2) = cos(pi(pi/2)) + cos(pi(pi/2))
\n" ); document.write( "-----
\n" ); document.write( "f(pi/2) = cos(pi^2/2) + cos(pi^2/2)
\n" ); document.write( "======================================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "--------------------------
\n" ); document.write( "
\n" );