Calculus Examples

$\tan (\frac{- 4}{5})$

Step 1

Move the negative in front of the fraction.

$\tan (- \frac{4}{5})$

Step 2

Since $\tan (- \frac{4}{5})$ is an odd function, rewrite $\tan (- \frac{4}{5})$ as $- \tan (\frac{4}{5})$ .

$- \tan (\frac{4}{5})$

Step 3

The result can be shown in multiple forms.

Exact Form:

$- \tan (\frac{4}{5})$

Decimal Form:

$- 1.02963855 \dots$