Calculus Examples

$- 5 \cos (\frac{π}{3})$

Step 1

The exact value of $\cos (\frac{π}{3})$ is $\frac{1}{2}$ .

$- 5 (\frac{1}{2})$

Step 2

Combine $- 5$ and $\frac{1}{2}$ .

$\frac{- 5}{2}$

Step 3

Move the negative in front of the fraction.

$- \frac{5}{2}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$- \frac{5}{2}$

Decimal Form:

$- 2.5$

Mixed Number Form:

$- 2 \frac{1}{2}$