(01-17-2015), (09-09-2014)
2 x
(09-10-2014), (09-10-2014)
cosx=u
2018 12
(09-10-2014)
sin x cosx
; 09-10-2014 11:59 AM
2018: ...f^((n) ) (x)
598 sin x
1
( )
[CENTER] ( ) ( ) ( ) - ( ) (mohammad Leban)
2023 ... () / / - - 2024 ...
" ( ) u , y
12
(598) : ( ) ( 1) ( cos ) ( ) () - -
- - ... ( ) - - 2013... 2024... 2017 - 2018
"
2018 x 2018...
1953 4
: (1) 2012 (2) 2012
: 1 (0 1 )
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