Trigonometry Examples

$4 (2, 5) - 5 (2, - 2)$

Step 1

Multiply $4$ by $2$ .

$4 (8, 5) - 5 (2, - 2)$

Step 2

Multiply $4$ by $5$ .

$4 (8, 20) - 5 (2, - 2)$

Step 3

Multiply $- 5$ by $2$ .

$4 (8, 20) - 5 (- 10, - 2)$

Step 4

Multiply $- 5$ by $- 2$ .

$4 (8, 20) - 5 (- 10, 10)$

Step 5

Combine each component of the vectors.

$(8 - (- 10), 20 - (10))$

Step 6

Multiply $- 1$ by $- 10$ .

$(8 + 10, 20 - (10))$

Step 7

Add $8$ and $10$ .

$(18, 20 - (10))$

Step 8

Multiply $- 1$ by $10$ .

$(18, 20 - 10)$

Step 9

Subtract $10$ from $20$ .

$(18, 10)$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$