cot(x)+tan(x)=cos(x)/sin(x)+sin(x)/cos(x)=(cos^2(x)+sin^2(x))/sin(x)cos(x)=1/sin(x)cos(x)=sec(x)csc(x).
Let x=45 degrees.
cot(45)+tan(45)=1+1=2.
sec(45)=sqrt(2)=csc(45), so sec(45)csc(45)=2.
But sec(45)+csc(45)=2sqrt(2), which is incorrect. The question should contain "secx*cscx" not "secx+cscx".