Consider the following function. x³ √√²-2² 36 dx (a) Determine an appropriate trigonometric substitution. π Use x = 6 sin(8), where - SO≤ 2 Use x = 6 tan(8), where π 2 TL ST 2 π O Use x = 6 sec (0), where 0 ≤ 0 <- since the integrand contains the expression √6²-x². 플 since the integrand contains the expression √6² - x². 3π orn S or π ≤ 0 < 37, since the integrand contains the expression √√6² - x². (b) Apply the substitution to transform the integral into a trigonometric integral. Do not evaluate the integral. x³ √√²--|( dx = /([ 36 de

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