$$\tan A + \sin A = p; \tan A - \sin A = q \Rightarrow p^2 - q^2 = $$

A

$$2(\tan^2 A + \sin^2 A)$$

B

$$2(\tan^2 A - \sin^2 A)$$

C

$$4 \tan^2 A \sin^2 A$$

D

$$4 \tan A \sin A$$