For $$0^\circ < \theta < 90^\circ$$, if $$2 \cos^2 \theta = 3 \sin \theta$$, then the value of $$(\cosec^2 \theta - \cot^2 \theta + \cos^2 \theta)$$is equal to:

A

$$1\frac{1}{2}$$

B

$$1\frac{3}{4}$$

C

$$2\frac{1}{4}$$

D

$$2\frac{3}{4}$$