, , , .
. . ( ) , α. , sin α, cos α. , , - .
  . 3 - .

. 3

S K d q . S . , . α.
sin α, - cos α. - .
, S, , S. , α.
  , , 90o S.
, , . , .


( 20 )

, " " - ?
, " - -, , , ( ). , - . ".
- . . . . , , , .
" ", " " .
, . 1795 :
" , , 250 , ; , , ." [ .., . . . - ., , 1985]
, 20- , . - , , . , . - . ( : , , ). FAQ .


 01.10.2019 - 05:20: , , - Upbringing, Inlightening, Education -> - _.
30.09.2019 - 12:51: , , - Upbringing, Inlightening, Education -> - _.
30.09.2019 - 11:53: , , - Upbringing, Inlightening, Education -> - _.
29.09.2019 - 19:30: - Conscience -> - _.
29.09.2019 - 09:21: - Economy and Finances -> - _.
29.09.2019 - 07:41: , , - Upbringing, Inlightening, Education -> - _.
26.09.2019 - 17:35: , , - Upbringing, Inlightening, Education -> - _.
26.09.2019 - 16:35: , - War, Politics and Science -> - _.
26.09.2019 - 08:33: , , - Upbringing, Inlightening, Education -> .. - _.
26.09.2019 - 06:29: , , - Upbringing, Inlightening, Education -> .. - _.
24.09.2019 - 03:34: - Theorizing and Mathematical Design -> - - _.
24.09.2019 - 03:32: - New Technologies -> "" "" - _.
Bourabai Research Institution home page

   - Bourabai Research Bourabai Research Institution