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Find \(\frac{\mathrm d y}{\mathrm d x}\) if \(y = \cos x\).

Mathematics
JAMB 2012

Find \(\frac{\mathrm d y}{\mathrm d x}\) if \(y = \cos x\).

  • A. \(\sin x\)
  • B. \(- \sin x\)
  • C. \(\tan x\)
  • D. \(- \tan x\)
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Correct Answer: Option B
Explanation

If \(y = \cos x\)

\(\frac{\mathrm d y}{\mathrm d x}\) =—\(\sin x\)

There is an explanation video available below.

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Explanation Video

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Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid