Verified Answer :

\(cot(-30) + tan(600) - csc(-450)\)
\(\frac{cos(-30)}{sin(-30)} + \frac{sin(600)}{cos(600)} - \frac{1}{sin(-450)}\)
\(\frac{cos(30)}{-sin(30)} + \frac{sin(600)}{cos(600)} - \frac{1}{-sin(450)}\)
\(-\frac{cos(30)}{sin(30)} + \frac{sin(600)}{cos(600)} + \frac{1}{sin(450)}\)
\(-\frac{\frac{\sqrt{3}}{2}}{\frac{1}{2}} + \frac{-\frac{\sqrt{3}}{2}}{-\frac{1}{2}}} + \frac{1}{1}\)
\(-\sqrt{3} + \sqrt{3} + 1\)
\(0 + 1\)
\(1\)