ocr: 6. a) Set up the integral to obtain the arc length of y=-In(cos(x)) from 0 to T/4. b) In the following give the appropriate expression, but do not attempt to numerically evaluate. (i) Utilizing 5 function evaluations and the midpoint formula, give an approximation to 2 fy - è da. 0 (ii) Do part (i) but with Simpson's rule.
