116 reputation
6
bio website ir.linkedin.com/in/…
location Iran
age 23
visits member for 1 year, 10 months
seen Mar 10 at 13:43

A C# Developer that interested in Android Developing

Email :

arash_atafarin(at)yahoo[dot]com

Here is Where I Live :

Know About Iran


Jan
4
awarded  Autobiographer
Jul
15
awarded  Commentator
Jul
15
accepted Calculating the points of tangency for two circles given a picture
Jul
15
comment Calculating the points of tangency for two circles given a picture
thanks so much for your help
Jul
15
comment Calculating the points of tangency for two circles given a picture
thanks,in the first equation i have x1,x2,y1,y2.i can use just this equation to calculate x3,y3 and x4,y4 .so why should i use second equation?thanks so much
Jul
15
comment Calculating the points of tangency for two circles given a picture
?thanks,it seems great,i didnt understand about (a,b) this the center point of which circle?
Jul
14
comment Calculating the points of tangency for two circles given a picture
no,i dont have Length of tangent line
Jul
14
comment Calculating the points of tangency for two circles given a picture
@AndréNicolas:i did not understand what you said
Jul
14
comment Calculating the points of tangency for two circles given a picture
can i calculate hypotenuse of below triangle with Pythagorean formula and then calculate lengh of tangent line(again using Pythagorean) and then calculate (x3,y3) and (x4,y4) ?
Jul
14
comment Calculating the points of tangency for two circles given a picture
thanks but i dont know the value of theta
Jul
14
asked Calculating the points of tangency for two circles given a picture
Jun
23
awarded  Student
Jun
22
awarded  Supporter
Jun
22
awarded  Scholar
Jun
22
accepted What is $\overline{\sin({z})} $ equal to?
Jun
22
comment What is $\overline{\sin({z})} $ equal to?
thanks so much,this is correct
Jun
22
awarded  Editor
Jun
22
comment What is $\overline{\sin({z})} $ equal to?
i mean second,thanks
Jun
22
revised What is $\overline{\sin({z})} $ equal to?
deleted 1 characters in body; edited title
Jun
22
comment What is $\overline{\sin({z})} $ equal to?
thanks,but i mean sin(z) bar(all of sin(z) is under bar not just z) you edited my question mistakenly