Calculus Examples

$lim_{x \to 8} 7 \cos (x)$

Step 1

Evaluate the limit.

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Step 1.1

Move the term $7$ outside of the limit because it is constant with respect to $x$ .

$7 lim_{x \to 8} \cos (x)$

Step 1.2

Move the limit inside the trig function because cosine is continuous.

$7 \cos (lim_{x \to 8} x)$

Step 2

Evaluate the limit of $x$ by plugging in $8$ for $x$ .

$7 \cos (8)$

Step 3

Simplify the answer.

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Step 3.1

Evaluate $\cos (8)$ .

$7 \cdot 0.99026806$

Step 3.2

Multiply $7$ by $0.99026806$ .

$6.93187648$