CPM Homework Help : CALC Problem 6-119

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6-119.

Simplify the following integrals without a calculator.

$\int - 3 \operatorname { cos } x \operatorname { sec } x d x$
Hint (a):
Before integrating, simplify the integrand.
More Help (a):
$\text{Recall that }\sec(x)=\frac{1}{\cos(x)}.$

$\int _ { 1 } ^ { 5 } \sqrt { 5 - x } d x$
Hint (b):
Before integrating, use exponents to rewrite the integrand.
Answer (b):
Be sure to show the steps (including the antiderivative).

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