Calculus Examples

$\sec^{2} (\frac{π}{2})$

Step 1

Rewrite

$\sec (\frac{π}{2})$ in terms of sines and cosines.

${(\frac{1}{\cos (\frac{π}{2})})}^{2}$

Step 2

The exact value of

$\cos (\frac{π}{2})$ is

$0$ .

${(\frac{1}{0})}^{2}$

Step 3

The expression contains a division by

$0$ . The expression is undefined.

Undefined