Evaluate int limits 0 frac pi 2 sin xdx - JAMB Mathematics 2016 Question
Evaluate \(\int\limits_0^\frac{\pi}{2}\) sin xdx
A
2
B
-1
C
1
D
-2
correct option: c
\(\int\limits_0^\frac{\pi}{2}\) sin xdx = -cosx|\(\frac{\pi}{2}\)
= -(cos\(\frac{\pi}{2}\) - cos0) = -(0-1) = 1
= -(cos\(\frac{\pi}{2}\) - cos0) = -(0-1) = 1
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