What is the value of $$\frac{\tan^2 60^\circ - 2 \sin^2 45^\circ}{\cos 24^\circ \cos 37^\circ \cosec 53^\circ \cos 60^\circ \cosec 66^\circ + \sin^2 60^\circ}$$

A

$$1\frac{4}{5}$$

B

1

C

2

D

$$1\frac{3}{5}$$