• Post a New Question
• Current Questions
• Chat With Live Tutors

Homework Help: mathamatics 10+1

Posted by vikrant sharma on Thursday, May 15, 2008 at 1:47pm.

prove that
cotxcot2x-cot2xcot3x-cot3xcotx=1

• mathamatics 10+1 - Reiny, Thursday, May 15, 2008 at 6:50pm

  I picked a random angle (20º) and tested your "identity".
  the left side was equal to 1
  
  when you typed
  cotxcot2x ...
  did you mean
  cotxcot(2x)... or cotxcot²x ... ?
  

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - cotxcot2x-cot2xcot3x-cot3xcotx
trig - cotxcot2x-cot2xcot3x-cot3xcotx=1
math - cotxxot2x -cot2xcot3x - cot3xcotx =?? plese help ME
Mathamatics - O is any point on Diagonal DB OF Parallogram ABCD. Prove that Ar (...
Mathamatics - OIS ANY POINT ON DIAGONAL DB OF PARALLOGRAM ABCD PROVE THAT, AR(...
calculus - A) How do you prove that if 0(<or=)x(<or=)10, then 0(&...
Calculus - A) How do you prove that if 0(<or=)x(<or=)10, then 0(&...
calculus - A) How do you prove that if 0(<or=)x(<or=)10, then 0(&...
mathamatics - square root of 225
mathamatics - 1.)(-2m^3)(3.5m^-3) 2.)(x^5y^2)(x^-6y)

For Further Reading