009B Sample Midterm 2, Problem 5

Evaluate the indefinite and definite integrals.

a) $\int x^{2}{\sqrt {1+x^{3}}}dx$

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

Foundations:
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2)
Answers:
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2)

Solution:

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Step 2:

Final Answer:

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