JAMB Mathematics 2016 Objective — Question 30
Question 30 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
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30. Evaluate ∫[0 to π/2] sin x dx A. 2 B. -1 C. 1 D. -2
- A. 2
- B. -1
- C. 1Correct
- D. -2
Explanation
∫sin x dx = [-cos x] from 0 to π/2 = -cos(π/2)-(-cos0) = -0+1 = 1.
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