The value of $\int_{0}^{\pi / 2} \cos x d x$ using trapezoidal rule with two equal intervals is
(A) 0.95
(B) 1.00
(C) 1.22
(D) 1.29
The value of $\int_{0}^{\pi / 2} \cos x d x$ using trapezoidal rule with two equal intervals is
(A) 0.95
(B) 1.00
(C) 1.22
(D) 1.29