Trigonometry Examples

$- 5 π$

Step 1

Add $2 π$ to $- 5 π$ .

$- 5 π + 2 π$

Step 2

The resulting angle of $- 3 π$ is coterminal with $- 5 π$ but isn't positive. Repeat the step.

$- 3 π$

Step 3

Add $2 π$ to $- 3 π$ .

$- 3 π + 2 π$

Step 4

The resulting angle of $- π$ is coterminal with $- 5 π$ but isn't positive. Repeat the step.

$- π$

Step 5

Add $2 π$ to $- π$ .

$- π + 2 π$

Step 6

The resulting angle of $π$ is positive and coterminal with $- 5 π$ .

$π$