Posted by Fernando on .
sinx+cosxcot=csc

trig 
MathMate,
Generally, if you convert the trigonometric functions to sin and cos, it will make the solution more obvious.
sinx+cosxcot
=sin(x) + cos(x)*cos(x)/sin(x)
=(sin²(x)+cos²(x))/sin(x)
Can you take it from here?