Evaluate (int_{0} ^{frac{pi}{2}} sin x mathrm d x)
-
A.
-2 -
B.
2 -
C.
1 -
D.
-1
Correct Answer: Option C
Explanation
(int_{0} ^{frac{pi}{2}} sin x mathrm d x)
= (- cos x |_{0} ^{frac{pi}{2})
= (- cos (frac{pi}{2}) – (- cos 0))
= (0 + 1)
= 1
There is an explanation video available below.