If y = 3 sin(-4x), dy/dx is
MATHEMATICS
JAMB 2003
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: C. -12 cos (-4x)
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