Solve the Equation on the Interval $$0 \leq \theta < 2 \pi$$

Solve the equation on the interval $$0 \leq \theta < 2 \pi$$
- $\cos \theta - 1 = 0$

A) 0
B) $\frac { 3 \pi } { 2 }$
C) $\frac { \pi } { 2 }$
D) $\pi$