The error in numerically computing the integral ∫π0 (sinx + cosx) dx using the trapezoidal rule with three intervals of equal length between 0 and π is _________.
0.1860
0.1863
0.18
0.1163
Correct Option: B
= 2 Error = Exact value – Approx Value = 2 – 1.8137 = 0.1863