# How do you find the limit of #cos(3x)# as #x->pi#?

# lim_(x rarr pi) cos(3x) = -1#

Hence:

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To find the limit of cos(3x) as x approaches pi, we substitute pi into the expression for x. The limit is equal to cos(3π), which simplifies to -1.

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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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