Trigonometry Examples

$\cot (\frac{49 π}{9})$

Step 1

Subtract full rotations of $2 π$ until the angle is greater than or equal to $0$ and less than $2 π$ .

$\cot (\frac{13 π}{9})$

Step 2

The result can be shown in multiple forms.

Exact Form:

$\cot (\frac{13 π}{9})$

Decimal Form:

$0.17632698 \dots$