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  • 9 votes cast
Jan
13
accepted test if vertical line intersects another
Jan
13
comment test if vertical line intersects another
I think you can put this as an answer... Thanks!
Jan
13
asked test if vertical line intersects another
Dec
20
awarded  Caucus
Jul
18
answered Some examples of applications of Game Theory
Jun
9
awarded  Student
Jun
9
comment Why is $\sin(\pi/6) = 0.5$?
Exactly my question... the "niceness" of 1/2, and also of the 30 degrees or pi/6... It could be that sin(29.451364571234...) would be 1/2... but @JimmyK4542 answer explained it well. There is such beauty in such "simple" matters that I still wonder how many mysteries we may draw from there...
Jun
9
comment Why is $\sin(\pi/6) = 0.5$?
There is a reason why we have 2 legs, not 4, but it's not as simple and elegant as geometry... :)
Jun
9
comment Why is $\sin(\pi/6) = 0.5$?
I was using the length of the bisector as 1, thus my confusion. Thank you all!
Jun
9
awarded  Scholar
Jun
9
awarded  Supporter
Jun
9
accepted Why is $\sin(\pi/6) = 0.5$?
Jun
9
comment Why is $\sin(\pi/6) = 0.5$?
Thanks, but you just repeated the theorem. How did Euclides get there? Why doesn't it give an irrational number, instead of exactly 1/2?
Jun
9
comment Why is $\sin(\pi/6) = 0.5$?
The perpendicular bisector divides the 60 degrees angle in two 30 degrees. So what? Sorry, I didn't get it.
Jun
9
asked Why is $\sin(\pi/6) = 0.5$?
Feb
3
answered Proof that the number of diagonals of a polygon is $\frac{n(n-3)}{2} $
Jan
15
awarded  Teacher
Jan
14
comment Splitting a sandwich and not feeling deceived
Yes, you're right. But considering the practicality of it, I still recommend my solution. Have you memorized the "Selfridge–Conway discrete procedure" to apply it in the real world in a moment of hunger? :)
Jan
14
comment Splitting a sandwich and not feeling deceived
The accident could happen cutting in two, too, even being an easier division. Anyway, @VividD asked for a "such mechanism", not for a "better one".
Jan
14
comment Splitting a sandwich and not feeling deceived
But why would that person do a large piece, if he/she wouldn't have the chance to eat it? He/she would try the hardest to make the 3 the same size.