Trigonometry Examples

$- \frac{3 π}{2}$

Step 1

Take the sine of $- \frac{3 π}{2}$ .

$\sin (- \frac{3 π}{2})$

Step 2

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

$\sin (\frac{π}{2})$

Step 3

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

$1$