Trigonometry Examples

$f (2 n) = \frac{6 + 4 (2 n)}{5 + 2 n}$

Step 1

Factor $2$ out of $6 + 4 \cdot 2 n$ .

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Step 1.1

Factor $2$ out of $6$ .

$f (2 n) = \frac{2 (3) + 4 \cdot (2 n)}{5 + 2 n}$

Step 1.2

Factor $2$ out of $4 \cdot 2 n$ .

$f (2 n) = \frac{2 (3) + 2 (2 \cdot (2 n))}{5 + 2 n}$

Step 1.3

Factor $2$ out of $2 (3) + 2 (2 \cdot 2 n)$ .

$f (2 n) = \frac{2 (3 + 2 \cdot (2 n))}{5 + 2 n}$

Step 2

Multiply $2$ by $2$ .

$f (2 n) = \frac{2 (3 + 4 n)}{5 + 2 n}$

Step 3