physics chemistry maths science forums become expert I help I sign up I login refer a friend - earn nickels!!     advanced   Home Ask & Discuss Questions Study Material Experts Zone Hang Out!   username password Log me on automatically each visit I lost my password register and get free nickel points use the nickels to ask the experts experts answer to your queries personally  Question   Answers   Author   Views   Last message  cos 24º + cos 5° + cos 175° + cos 204° + cos 300° = 1 payal1spark 18 14 May 2008 00:37:21 IST aankurverma can any one tell about best sites for competition preparations. 1 nicky_69 41 13 May 2008 10:45:34 IST pantpranav Complex Numbers 9 m.viddya 153 12 May 2008 20:22:10 IST feynmann solve it if u can........ 1 aggmegha90 56 12 May 2008 09:27:31 IST chinnu whats the formula for sin(A+B+C)?? 3 vagee 44 12 May 2008 08:34:23 IST arpan1 inequality... 1 ramkumar_november 75 11 May 2008 12:35:14 IST hsbhatt SOT challenge 3 Radon222 185 10 May 2008 14:39:49 IST sriram.a TRIANGLES 3 sachin_gupta1991 83 10 May 2008 14:38:29 IST sriram.a Prove it 3 Ricky_rock 103 10 May 2008 13:39:07 IST netkid07 LONEY 0 varun.tinkle 43 8 May 2008 22:05:20 IST varun.tinkle Summation 2 nasa_hs 56 8 May 2008 15:29:47 IST sboosy Chemical Kinetics 4 nknikhilesh1 57 7 May 2008 23:06:39 IST ashgirl solve this 5 sumit_grg 60 7 May 2008 11:07:11 IST risin pl tell formula(general) 2 ayush_2008 51 7 May 2008 08:04:23 IST seraphic solve 1 ssbrightstar1 31 6 May 2008 21:54:33 IST rhd92781 do this hot IIT problem 10 sriram.a 163 6 May 2008 18:42:54 IST amulye book for inverse trigo 3 prabhat09 85 5 May 2008 18:01:23 IST pantpranav PLS PROVE 2 varun.tinkle 58 5 May 2008 08:40:51 IST seraphic MAY BE EASY 4 U ALL 3 ADPDAVCTC 135 3 May 2008 08:43:55 IST anchitsaini YES SERAPHIC 2 ADPDAVCTC 60 3 May 2008 08:21:10 IST anchitsaini