Find the Arc Length X = 2 Cos $\theta$ + Cos 2

Multiple Choice

Find the arc length x = 2 cos $\theta$ + cos 2 $\theta$ + 1, y = 2 sin $\theta$ + sin 2 $\theta$ , for 0 $\le$ $\theta$$\le$ 2 $\pi$ .

A) 12 units
B) 14 units
C) 16 units
D) 18 units
E) 10 units