Trigonometry Examples

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

Step 1

Move the negative in front of the fraction.

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

Step 2

The result can be shown in multiple forms.

Exact Form:

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

Decimal Form:

$- 0.67474094 \dots$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$