Trigonometry Examples

$\sin (\frac{- 3}{4})$

Step 1

Move the negative in front of the fraction.

$\sin (- \frac{3}{4})$

Step 2

Since $\sin (- \frac{3}{4})$ is an odd function, rewrite $\sin (- \frac{3}{4})$ as $- \sin (\frac{3}{4})$ .

$- \sin (\frac{3}{4})$

Step 3

The result can be shown in multiple forms.

Exact Form:

$- \sin (\frac{3}{4})$

Decimal Form:

$- 0.68163876 \dots$