Approximate $\int _ { 0 } ^ { 1 } \frac { 1 } { 1 + x ^ { 2 } }$

Short Answer

Approximate $\int _ { 0 } ^ { 1 } \frac { 1 } { 1 + x ^ { 2 } }$ dx; n = 4, by (a) Simpson's rule and (b) the trapezoidal rule.
Enter your answers in that order as just unlabeled real numbers rounded to two decimal places, separated by a comma.