The Point $( - 7 , - 24 )$ Is on the Terminal Side of an Angle in Standard

Multiple Choice

The point $( - 7 , - 24 )$ is on the terminal side of an angle in standard position.Determine the exact value of $\cos \theta$ .

A) $\cos \theta = \frac { 7 } { 24 }$
B) $\cos \theta = - \frac { 18 } { 7 }$
C) $\cos \theta = - \frac { 7 } { 25 }$
D) $\cos \theta = \frac { 31 } { 7 }$
E) $\cos \theta = \frac { 24 } { 7 }$