If $$\sec^{2} \theta = \frac{4}{3}$$, then the value of $$\cosec\left(\theta + 30^{\circ}\right)$$ is __________. [$$\theta$$ is an acute angle.]

A

$$-\frac{2}{\sqrt{3}}$$

B

$$\frac{2}{\sqrt{3}}$$

C

$$\frac{1}{\sqrt{3}}$$

D

$$-\frac{1}{\sqrt{3}}$$