Trigonometry Examples

$\sin (- \frac{π}{6})$

Step 1

Find the value using the definition of sine.

$\sin (- \frac{π}{6}) = \frac{opposite}{hypotenuse}$

Step 2

Substitute the values into the definition.

$\sin (- \frac{π}{6}) = \frac{- \frac{1}{2}}{1}$

Step 3

Divide $- \frac{1}{2}$ by $1$ .

$- \frac{1}{2}$

Step 4