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MATHEMATICS

JAMB 2003 - Question 38

Mathematics 2003 JAMB Past Questions - Question 38: If Y=3sin(-4x), dy/dx is

Choose the most appropriate option for the gap .

If Y=3sin(-4x), dy/dx is

A: 12x cos (4x)

B: -12x cos (-4x)

C: -12 cos(-4x)

D: 12 sin (-4x)

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Correct Answer

Explanation

y = 3sin (-4x) dy/dx = 3, - 4cos (-4x) = - 12cos (-4x)