Find the derivative of the function. $f ( x ) = 9 \sin x - 8 \cos x$
A) $f ^ { \prime } ( x ) = 9 \cos x + 8 \sin x$
B) $f ^ { \prime } ( x ) = 8 \cos x - 9 \sin x$
C) $f ^ { \prime } ( x ) = 9 \cos x - 8 \sin x$
D) $f ^ { \prime } ( x ) = - 9 \cos x - 8 \sin x$
E) $f ^ { \prime } ( x ) = 8 \cos x + 9 \sin x$

Question

Find the derivative of the function.   $f ( x ) = 9 \sin x - 8 \cos x$  
A) $f ^ { \prime } ( x ) = 9 \cos x + 8 \sin x$
B) $f ^ { \prime } ( x ) = 8 \cos x - 9 \sin x$
C)   $f ^ { \prime } ( x ) = 9 \cos x - 8 \sin x$
D) $f ^ { \prime } ( x ) = - 9 \cos x - 8 \sin x$
E) $f ^ { \prime } ( x ) = 8 \cos x + 9 \sin x$

Quizplus · Accepted Answer

The Answer of Find the derivative of the function.   $f ( x ) = 9 \sin x - 8 \cos x$  
A) $f ^ { \prime } ( x ) = 9 \cos x + 8 \sin x$
B) $f ^ { \prime } ( x ) = 8 \cos x - 9 \sin x$
C)   $f ^ { \prime } ( x ) = 9 \cos x - 8 \sin x$
D) $f ^ { \prime } ( x ) = - 9 \cos x - 8 \sin x$
E) $f ^ { \prime } ( x ) = 8 \cos x + 9 \sin x$

Find the Derivative of the Function f(x)=9sin⁡x−8cos⁡xf ( x ) = 9 \sin x - 8 \cos xf(x)=9sinx−8cosx

Find the Derivative of the Function $f ( x ) = 9 \sin x - 8 \cos x$