sign up I login
 advanced
refer a friend - earn nickels!!

Ask & Discuss Questions with Community & Experts

 Moderation Team
Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: If x1,x2,x3,x4 are roots of eq. x^4 - x^3sin2@ + x^2cos2@ - sin@ = 0,then prove that sumat
Forum Index -> Trignometry -> View Full Question like the article? email it to a friend.  
Author Message
[Post New]22 Jun 2008 18:35:51 IST
    Subject: Re:If x1,x2,x3,x4 are roots of eq. x^4 - x^3sin2@ + x^2cos2@ - sin@ = 0,then prove that sumat
Accepted Answer [?] [Up]
pink_ele (1233)

Blazing goIITian

Olaaa!! Perrrfect answer. 203  [312 rates]
pink_ele's Avatar
total posts: 1348    
online Online


 



 



 



using dis



=tan^-1(3 sin2@/(1-2cos2@-sin@))


thats it .................bussssssss
 this reply: 5 points  (with 1 Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
You have to be logged on to rate
  
 

Top Offers for goIITians
Correspondence Courses
Brilliant Tutorials
Narayana Institute
Aakash Institute
Classroom/Crash Courses
Narayana - Kota , Delhi , Others
Brilliant Tutorials - Class , Crash
Aakash Institute - Medical , Engg
Online Test Series
Brilliant Tutorials
Narayana Institute
Aakash Institute
Mahesh Tutorials
AMITY      Sri Chaitanya