# How do you integrate #cos^3 x#?

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To integrate ( \cos^3(x) ), you can use the following identity:

[ \cos^3(x) = \frac{1}{4}(3\cos(x) + \cos(3x)) ]

Then integrate term by term.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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