Trigonometry Examples

$\frac{15!}{12!}$

Step 1

Rewrite $15!$ as $15 \cdot 14 \cdot 13 \cdot 12!$ .

$\frac{15 \cdot 14 \cdot 13 \cdot 12!}{12!}$

Step 2

Cancel the common factor of $12!$ .

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Step 2.1

Cancel the common factor.

$\frac{15 \cdot 14 \cdot 13 \cdot 12!}{12!}$

Step 2.2

Divide $15 \cdot 14 \cdot 13$ by $1$ .

$15 \cdot 14 \cdot 13$

Step 3

Multiply $15 \cdot 14 \cdot 13$ .

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Step 3.1

Multiply $15$ by $14$ .

$210 \cdot 13$

Step 3.2

Multiply $210$ by $13$ .

$2730$