1,655 reputation
925
bio website fuz.su/~fuz
location Berlin, Germany
age 19
visits member for 3 years, 11 months
seen Nov 14 at 22:33

I am a student of computer science and mathematics at the Humboldt University of Berlin.


Nov
13
comment How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?
You did misunderstand the question then. I wrote this question back when I was still in school with the specific explanation that we defined $\sin$ geometrically and that we cannot use the Taylor series for we haven't proved that it's equal to the geometric definition.
Nov
12
comment How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?
This answer uses the series expansion of $\sin.$ The question specifically states to not use this series.
Nov
11
comment How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?
In a triangle $ABC$ with right angle in $ACB$ we define $\sin BAC=BC/AC$. This is the “geometrical” definition for $\sin$ we used.
Nov
7
awarded  Favorite Question
Sep
24
comment Reducing the time to calculate Collatz sequences
@sp1rs No. See the answers linking here.
Jul
2
awarded  Curious
Jul
2
awarded  Popular Question
Jun
12
revised Ice Cream Combinatorics
Formatting
Jun
12
suggested suggested edit on Ice Cream Combinatorics
Jun
10
comment How and why did Weierstrass $\wp$ get its special symbol?
It's basically a cursive / script p.
Jun
8
accepted How can I make this recurrent equation non-recurrent?
Jun
8
comment How can I make this recurrent equation non-recurrent?
@hardmath Yes, that's what I'm trying to do. I just saw myself how trivial this question is.
Jun
8
asked How can I make this recurrent equation non-recurrent?
Feb
6
awarded  Popular Question
Jan
1
awarded  Yearling
Oct
20
comment How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?
It's nice that you post an answer that was literally posted as the top comment to this question.
Oct
16
comment How can I find a point where an osculating circle goes through a certain point?
@Lays I couldn't find an answer to my question on the page you linked. Please note, that $P$ usually does not lay on $f$.
Oct
16
revised How can I find a point where an osculating circle goes through a certain point?
added 17 characters in body
Oct
16
asked How can I find a point where an osculating circle goes through a certain point?
Sep
19
awarded  Notable Question