Trigonometry Examples

$11200^{2} + 9000^{2} - 2 \cdot 11200 \cdot 9000 \cos (17)$

Step 1

Simplify each term.

Tap for more steps...

Step 1.1

Raise $11200$ to the power of $2$ .

$125440000 + 9000^{2} - 2 \cdot 11200 \cdot (9000 \cos (17))$

Step 1.2

Raise $9000$ to the power of $2$ .

$125440000 + 81000000 - 2 \cdot 11200 \cdot (9000 \cos (17))$

Step 1.3

Multiply $- 2$ by $11200$ .

$125440000 + 81000000 - 22400 \cdot (9000 \cos (17))$

Step 1.4

Multiply $9000$ by $- 22400$ .

$125440000 + 81000000 - 201600000 \cos (17)$

Step 2

Add $125440000$ and $81000000$ .

$206440000 - 201600000 \cos (17)$

Step 3

The result can be shown in multiple forms.

Exact Form:

$206440000 - 201600000 \cos (17)$

Decimal Form:

$13648961.197852$