Algebra Examples

$3 \sin (- \frac{3 π}{2})$

Step 1

Add full rotations of $2 π$ until the angle is greater than or equal to $0$ and less than $2 π$ .

$3 \sin (\frac{π}{2})$

Step 2

The exact value of $\sin (\frac{π}{2})$ is $1$ .

$3 \cdot 1$

Step 3

Multiply $3$ by $1$ .

$3$