Consider the following function x x 3 a Determine an appropriate trigonometric substitution O Use x 3 sin 0 where 1505 12 24 0 since the integrand contains the expression x 3 I 2 dx O Use x 3 tan 0 where 3 T dx T O Use x 3 sec 0 where 0 0 or 0 2 TC 2 0 since the integrand contains the expression x2 3 V 2 b Apply the substitution to transform the integral into a trigonometric integral Do not evaluate the integral x x2 de 37 since the integrand contains the expression x2 3 2