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Post-UTME Mathematics 2005 Objective — Question 26

Question 26 of 26 from the Post-UTME Screening (Post-UTME) Mathematics 2005 Objective paper, with the correct answer and a full explanation.

Differentiate with respect to x, y=sin(2x-4)

A. 4Cos(2x-4)
B. 3Cos(2x-4)
C. 2Cos(2x-4)Correct
D. 2Cos(2x+4)

Explanation

dy/dx = 2cos(2x-4) by the chain rule.

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