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JAMB Mathematics 2008 Question 40

Question 40

Integration

Evaluate ∫−π/2π/2 cos x dx.

  1. A.0
  2. B.1
  3. C.2
  4. D.3
Show the answer and explanation

Answer: C (2)

Explanation

[sin x] from −π/2 to π/2 = 1 − (−1) = 2.