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Vafa Khalighi

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141 reputation
2
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visits member for 1 year, 1 month
seen Apr 10 '12 at 8:47
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141 reputation
 bio website visits member for 1 year, 1 month
2 badges
 location seen Apr 10 '12 at 8:47
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4 Answers

votes activity newest
6
 A program to draw simple geometry (points, lines, dotted lines etc.)
4
 how to calculate area of 3D triangle?
1
 How do I find $\lim_{n\to\infty}(\frac{n-1}{n})^n$
0
 how to strictly prove $\sin x<x$ for $0<x<\frac{\pi}{2}$

141 Reputation

+75 A program to draw simple geometry (points, lines, dotted lines etc.)
+55 how to calculate area of 3D triangle?
+10 How do I find $\lim_{n\to\infty}(\frac{n-1}{n})^n$

0 Questions

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8 Tags

6
math-software
1
calculus × 2
6
geometry
1
limit
4
triangle
0
trigonometry
4
3d
0
inequality

2 Accounts

Mathematics Stack Exchange Mathematics 141 rep 2
Physics Stack Exchange Physics 21 rep 3

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