Trigonometry Examples

\frac{7 π}{6}

$\frac{7 π}{6}$

Step 1

Take the sine of

\frac{7 π}{6}

$\frac{7 π}{6}$ .

sin (\frac{7 π}{6})

$\sin (\frac{7 π}{6})$

Step 2

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the third quadrant.

- sin (\frac{π}{6})

$- \sin (\frac{π}{6})$

Step 3

The exact value of

sin (\frac{π}{6})

$\sin (\frac{π}{6})$ is

\frac{1}{2}

$\frac{1}{2}$ .

- \frac{1}{2}

$- \frac{1}{2}$