Calculus Examples

$lim_{x \to \frac{π}{2}} \sec (x)$

Step 1

Change the two-sided limit into a left sided limit.

$lim_{x \to {(\frac{π}{2})}^{-}} \sec (x)$

Step 2

As the $x$ values approach $\frac{π}{2}$ from the left, the function values increase without bound.

$\infty$