Expression 1: left parenthesis, pi Superscript, pi , Baseline StartRoot, StartFraction, cos left parenthesis, "x" ! ! , right parenthesis Over sin left parenthesis, "x" Superscript, 3 "e" , Baseline plus 5cos left parenthesis, "e" ! , right parenthesis , right parenthesis minus 55 "x" , EndFraction , EndRoot , right parenthesis Superscript, sin "e" , Baselineππcosx!!sinx3e+5cose!−55xsine