Find $f _ { y } ( - 24,8 )$ For $f ( x , y ) = \sin ( 4 x + 12 y )$

Multiple Choice

Find $f _ { y } ( - 24,8 )$ for $f ( x , y ) = \sin ( 4 x + 12 y )$ .
Select the correct answer.

A) 12
B) $- 4$
C) $- 12$
D) 4
E) 0