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!

Ask & Discuss Questions with Community & Experts

 Moderation Team
 90 chars left    advanced
Ask iit jee aieee pet cbse icse state board community Community Discussion Question: cos 24º + cos 5° + cos 175° + cos 204° + cos 300° =
Forum Index -> Trignometry like the article? email it to a friend.  
Author Message
[Post New]14 May 2008 00:32:59 IST
    Subject: cos 24º + cos 5° + cos 175° + cos 204° + cos 300° =
[Up] View Post
payal1spark (0)

Cool goIITian

Olaaa!! Perrrfect answer. 0  [0 rates]
payal1spark's Avatar
total posts: 50    
offline Offline
cos 24º + cos 5° + cos 175° + cos 204° + cos 300° =
    
[Post New]14 May 2008 00:37:21 IST
    Subject: Re:cos 24º + cos 5° + cos 175° + cos 204° + cos 300° =
Accepted Answer [?] [Up] View Post
aankurverma (1325)

Blazing goIITian

Olaaa!! Perrrfect answer. 225  [325 rates]
aankurverma's Avatar
total posts: 552    
offline Offline

 


cos24 + cos5 - cos(pi - 5) - cos(pi + 24) + cos(2pi - 60)


 


cos60
 this reply: 2 points  (with 0 Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
You have to be logged on to rate
  
[Post New]14 May 2008 12:57:20 IST
    Subject: Re:cos 24º + cos 5° + cos 175° + cos 204° + cos 300° =
[Up] View Post
allamraju (3410)

Blazing goIITian

Olaaa!! Perrrfect answer. 604  [799 rates]
allamraju's Avatar
total posts: 1014    
offline Offline
cos1750=-cos50,cos2040=-cos240.Hence the ans is cos3000=cos600=1/2
MAKING A MISTAKE IS HUMAN BUT REPEATING IT IS IDIOTIC.
 this reply: 0 points  (with 0 Olaaa!! Perrrfect answer.   in 0 votes )   [?]
 
You have to be logged on to rate
  
 
Forum Index -> Trignometry
Go to:   

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