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location Lima, Peru
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Curiosity-driven organism doodling in the intergalactic infinity.


Nov
21
accepted Trigonmetric sum of inverses
Nov
21
revised Trigonmetric sum of inverses
added 6 characters in body
Nov
21
comment Trigonmetric sum of inverses
@EdwardJiang Sorry, it was a $1$.Edited!
Nov
21
revised Trigonmetric sum of inverses
added 490 characters in body
Nov
21
asked Trigonmetric sum of inverses
Nov
20
comment Integer solution for $Rx^2+Sy^2=1$ .
This is pretty much what we know about quadratic diophantines
Nov
18
comment A High School Math Question dealing with coordinate geometry
@EricStucky It is likely because of the vague wording, but I don't think that all choosings of points $E$ would result in a shape with the same area.
Nov
18
comment $a+b+c+d+e$ divides $a^5+b^5+c^5+d^5+e^5-5abcde$
$a=-b-c-d-e$ doesn't yield $0$, so it won't be that easy.
Nov
18
comment A High School Math Question dealing with coordinate geometry
You have infinitely many options for choosing $F$ and $E$. Each way of choosing $F$ and $E$ produces a point $E'$. The problem asks: If we graph all possible E', what area will that graph have?
Nov
13
comment How find this real value $x+y+z $ if such this equation
@Amzoti Wolfram alpha finds only two . But yes, there are two different real values of $x+y+z$
Nov
11
revised Linear independency question in $\mathbb{R}^3$ and cross product
added 376 characters in body; edited tags
Nov
11
asked Linear independency question in $\mathbb{R}^3$ and cross product
Nov
6
comment Proving geometric inequality with algebra
Thank you! I think I wasn't brave enough to dare square it...
Nov
6
accepted Proving geometric inequality with algebra
Nov
6
revised Proving geometric inequality with algebra
edited title
Nov
6
asked Proving geometric inequality with algebra
Nov
2
comment Why is this substitution accurate?
If $x>s$, $|x-s|=x-s$, if $x<s$, $|x-s|=s-x$...
Nov
2
comment Why is this substitution accurate?
This has nothing to do with calculus...Just analyze both cases, but you are missing the line $x=s$ in your definition.
Nov
1
comment Constructively solving a trig equation
But how would you suppose that $\cos(5y)=1/2$(or that $y=12°$, from the start)
Oct
29
accepted Constructively solving a trig equation