The value of $$\cot\left(\operatorname{cosec}^{-1} \frac{5}{3} + \tan^{-1} \frac{2}{3}\right)$$ is

A

$$\frac{6}{17}$$

B

$$\frac{3}{17}$$

C

$$\frac{4}{17}$$

D

$$\frac{5}{17}$$