" " 2 ()
(11-07-2014), (11-07-2014)
( ) ( )
(11-07-2014)
tan(pi/4 - x /2 ) + -
" " : - x
(11-08-2014)
The least value is 2
(11-08-2014), (11-10-2014), (11-10-2014)
" " Log Prove
(11-10-2014), (11-10-2014)
= = =3
(11-11-2014)
sin^2 cos^2 x=1 3
" " ( ) (...
=3
3 2 2
" " (... ()
" " (n): -
[QUOTE= ;36680][/QUOTE
[URL="http://alnasiry.net/forums"][IMG]http://alnasiry.net/forums/uploaded/2_iraqiflag.gif[/IMG][/URL] 2
(11-21-2014)
: 1 (0 1 )
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