009B Sample Midterm 3, Problem 3

Compute the following integrals:

a) $\int x^{2}\sin(x^{3})dx$

b) $\int _{-{\frac {\pi }{4}}}^{\frac {\pi }{4}}\cos ^{2}(x)\sin(x)dx$

Foundations:
1)
2)
Answers:
1)
2)

Solution:

Step 1:

Step 2:

Final Answer:

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