x, y be two acute angles, x + y < $$90^\circ$$ and sin(2x -$$20^\circ$$) = cos(2y + $$20^\circ$$), the value of tan(x + y) is

A

$$\surd{3}$$

B

$$\frac{1}{\surd{3}}$$

C

1

D

2+$$\surd{2}$$