(01-17-2015), (09-09-2014)
x , y
(09-10-2014), (09-10-2014)
cosx=u
x , y x
(09-10-2014)
sin x cosx
; 09-10-2014 11:59 AM
" 1 ...
598 sin x
..!!.. ... ...!!.. 2
( )
Complete the square
[CENTER] ( ) ( ) ( ) - ( ) (mohammad Leban)
... ... ... ... 2026 ...
" ( ) u , y
... 2018...
(598) : ( ) ( 1) ( cos ) ( ) () - -
- ... 2013 2025 ...
"
4 : :
... 2 : :
: 1 (0 1 )
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