For an angle theta with the point (-5, -12) on its terminating side, what is the value of cosine?
A. -5
B. -12
C. -5/13
D. -12/13
For an angle theta with the point (-5, -12) on its terminating side, what is the value of cosine?
A. -5
B. -12
C. -5/13
D. -12/13