Calculus Examples

$lim_{x \to \frac{π}{4}} \tan (2 x)$

Step 1

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

$lim_{x \to {(\frac{π}{4})}^{+}} \tan (2 x)$

Step 2

As the $x$ values approach $\frac{π}{4}$ from the right, the function values decrease without bound.

$- \infty$