If y = 3 sin(-4x), dy/dx is
-
A.
12x cos (4x) -
B.
-12x cos (-4x) -
C.
-12 cos (-4x) -
D.
12 sin (-4x)
Correct Answer: Option C
Explanation
y = 3 sin(-4x)
dy/dx = 3 x – 4 cos (-4x)
= -12 cos (-4x)
If y = 3 sin(-4x), dy/dx is
y = 3 sin(-4x)
dy/dx = 3 x – 4 cos (-4x)
= -12 cos (-4x)