Tagged Questions
0
votes
1answer
79 views
Normalize infinite range into finite one
First of all; I'm a programmer, not a mathematician so please excuse the informality of my math-vocabulary.
I have a series of slopes, calculated out of random angles (their tangents). These angles ...
3
votes
2answers
1k views
Is $\tan(\pi/2)$ undefined or infinity?
The way I have understood, $0/0$ is undefined or indeterminate because, if $c=0/0$ then $c\cdot 0=0$, where $c$ can be any finite number including $0$ itself.
If we also observe a fraction $F=a/b$ ...
1
vote
4answers
152 views
why $\lim_{x\to-\infty}(\sin x+2)\ln(-x)=\infty$?
Why does $\lim_{x\to-\infty}(\sin x+2)\ln(-x)$ equal $\infty$?
Breaking up the limit:
$\lim_{x\to-\infty}(\sin x+2)$ DNE because it oscillates between 1 and 3
$\lim_{x\to-\infty}\ln(-x) = \infty$
...
2
votes
4answers
656 views
What is the limit as $x\to\infty$ of $\cos x$?
What is the limit as $x\to\infty$ of $\cos x$?
Thanks in advance.
