Solve the Equation $\cos \theta = 0$ A) $\theta = \frac { \pi } { 2 } + k \pi$

Multiple Choice

Solve the equation. Give a general formula for all the solutions.
- $\cos \theta = 0$

A) $\theta = \frac { \pi } { 2 } + k \pi$
B) $\theta = 0 + \mathrm { k } \pi$
C) $\theta = 0 + 2 \mathrm { k } \pi$
D) $\theta = \frac { \pi } { 2 } + 2 \mathrm { k } \pi$