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# Half Angle Formula for Tangent

TRIG-E1BVMO

Find the exact $\tan{\cfrac{7\pi}{12}}$ by using the half angle formula for tangent.

A

$$\cfrac{\sqrt3}{6}$$

B

$$2+\sqrt3$$

C

$$\sqrt3-2$$

D

$$-2-\sqrt3$$

E

$$2-\sqrt3$$