Trigonometry Examples

$y = 3 \sin (4 π)$

Step 1

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

$y = 3 \sin (0)$

Step 2

The exact value of $\sin (0)$ is $0$ .

$y = 3 \cdot 0$

Step 3

Multiply $3$ by $0$ .

$y = 0$