Determine the value of \(\int_0 ^{\frac{\pi}{2} }(-2cos x)dx\)
MATHEMATICS
JAMB 2007
Determine the value of \(\int_0 ^{\frac{\pi}{2}
}(-2cos x)dx\)
- A. -2
- B. -1/2
- C. -3
- D. -3/2
Correct Answer: A. -2
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