If $$\theta$$ be acute angle and $$\cos \theta = \frac{15}{17}$$, then the value of $$\cot (90^\circ - \theta)$$ is

A

$$\frac{2 \sqrt{8}}{15}$$

B

$$\frac{8}{15}$$

C

$$\frac{\sqrt{2}}{17}$$

D

$$\frac{8 \sqrt{2}}{17}$$