The expression sinx(cscx - cotx cosx) can be simplified to
\(\sin \left(x\right)\left(\csc \left(x\right)-\cot \left(x\right)\cos \left(x\right)\right)\)
\(\sin \left(x\right)\sin \left(x\right)\)
\(\sin ^2\left(x\right)\)
-Vinculum