JAMB Mathematics 2012 Question 40

Question 40

Integration

Evaluate ∫0π/4 sec2θ dθ

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

Answer: A (1)

Explanation

∫sec2θ dθ = tan θ. From 0 to π/4: tan 45° − tan 0 = 1.