If $$2 \cos^2 \theta = 3 \sin \theta, 0^\circ < \theta < 90^\circ$$, then the value of $$(sec^2 \theta - \tan^2 \theta + \cos^2 \theta)$$ is:

A

$$\frac{9}{4}$$

B

$$\frac{5}{4}$$

C

$$\frac{3}{4}$$

D

$$\frac{7}{4}$$