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

• A. $\frac{{2\sqrt 8 }}{{15}}$$
• B. $\frac{8}{{15}}$$
• C. $\frac{{\sqrt 2 }}{{17}}$$
• D. $\frac{{8\sqrt 2 }}{{17}}$$