document.write( "Question 696146: cos(cos^-1(4/5)) \n" ); document.write( "
Algebra.Com's Answer #428827 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
cos(cos^-1(4/5))
\n" ); document.write( "= 4/5
\n" ); document.write( "
\n" ); document.write( "
\n" );