Results 1 to 2 of 2

Thread: Proving Identities

  1. June 1st 2005, 09:47 AM #1
    zamorakk0
    Guest
    i need help with this one...

    tanx-tan(x-y) = tany
    1+tanx*tan(x-y)
    Follow Math Help Forum on Facebook and Google+
  2. June 1st 2005, 04:05 PM #2
    vms
    vms is offline
    Newbie vms's Avatar
    Joined
    Apr 2005
    From
    New Delhi, India
    Posts
    17
    \[\frac{tan(A) - tan(B)}{{1 + tan(A)*tan(B)}} = tan(A - B)
    Last edited by Math Help; June 1st 2005 at 04:36 PM.
    Follow Math Help Forum on Facebook and Google+
« sinusoidal equation | values of x »

Similar Math Help Forum Discussions

  1. problem with proving identities using basic identities
    Posted in the Trigonometry Forum
    Replies: 6
    Last Post: June 22nd 2010, 11:59 PM
  2. Proving identities
    Posted in the Trigonometry Forum
    Replies: 1
    Last Post: April 4th 2010, 08:19 PM
  3. proving identities....
    Posted in the Trigonometry Forum
    Replies: 1
    Last Post: December 2nd 2009, 10:21 PM
  4. Proving identities
    Posted in the Trigonometry Forum
    Replies: 4
    Last Post: December 2nd 2009, 07:08 AM
  5. Proving identities
    Posted in the Algebra Forum
    Replies: 3
    Last Post: March 12th 2007, 11:43 AM

/mathhelpforum @mathhelpforum