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

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

D

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