CBSE Guess Official Helpline Forum for CBSE Students, Teachers and Parents. Educational Portals: ICSE | IGNOU | NIOS | IIT JEE | AIPMT | AIEEE | Friends
CBSE - Central Board of Secondary Education, CBSE India Guess Papers, CBSE Sample Papers, Tutors In India, CBSE Schools, CBSE Books.  
CBSE CBSE Papers CBSE Schools CBSE Alumni CBSE Tutors CBSE eBooks Educational Articles Indian Education Education Forum Fun Zone Fun Zones
 
IMPORTANT INFORMATION: To participate in this form you need to register as your CBSEGuess.com login info will not work here. Click Here to Register

Trigonometry questions...

Ask questions of CBSE Class XI and discuss the same here. For any doubts relates to CBSE Class XI.

Trigonometry questions...

Postby razr » Sat Sep 20, 2008 1:18 pm

1.A,B are 2 different values of x between 0&180 which satisfies 6cosx+8sin=9.Find sin(a+B).

2.If tanx+tan(x+60)+Tan(x+120)=3, prove that {3tanx-(tanx)^3}/{1-3(tanx)^2}=1
razr[img height="60" width="60"]http://farm1.static.flickr.com/143/3737 ... 69.jpg?v=0[/img]
razr
 
Posts: 2
Joined: Sat Sep 20, 2008 12:41 pm

Re: Trigonometry questions...

Postby bcappu » Sat Oct 04, 2008 4:46 pm

the answer for the second question
Image
Regards,
bcappu
User avatar
bcappu
 
Posts: 320
Joined: Tue Feb 19, 2008 3:40 pm
Location: Why do u wanna know that!!!!


Return to CBSE Class XI Helpline



Who is online

Users browsing this forum: No registered users and 25 guests

cron