Search found 13 matches

by atiqur_jhe
Fri Dec 31, 2010 8:55 pm
Forum: Divisional Math Olympiad
Topic: Problems from dhk div 2010!!
Replies: 9
Views: 3907

Re: Problems from dhk div 2010!!

Amar ta ki vul holo.confused
by atiqur_jhe
Fri Dec 31, 2010 8:53 pm
Forum: Divisional Math Olympiad
Topic: Problems from dhk div 2010!!
Replies: 9
Views: 3907

Re: Problems from dhk div 2010!!

I didnt understood that nSn(x) Sn-1(x). My ans is like that sin sin sin sin(x)=x(because x is so small so sin x =x) so Sn(x)=x and cos Sn (x)=cos x=1
by atiqur_jhe
Fri Dec 31, 2010 8:38 pm
Forum: Divisional Math Olympiad
Topic: digit again
Replies: 10
Views: 3769

Re: digit again

@prodip da ai j 62011 56(mod100) ata kivabe holo .ami korle to arokom hoi: 62011 11(mod100) or 89(mod100) .jodi vul hoy tahole vul ta ki .