Trigonometry Examples

$\csc (- \frac{π}{2})$

Step 1

Find the value using the definition of cosecant.

$\csc (- \frac{π}{2}) = \frac{hypotenuse}{opposite}$

Step 2

Substitute the values into the definition.

$\csc (- \frac{π}{2}) = \frac{1}{- 1}$

Step 3

Divide $1$ by $- 1$ .

$- 1$

Step 4