Results 1 to 2 of 2

Math Help - Trignimetry question find E

  1. #1
    Junior Member
    Joined
    Dec 2008
    Posts
    68

    Trignimetry question find E

    If a+ b= 60(pi over 3) . Calculate the numerical value of E=(sina-sinb)/(cosb-cosa)
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Senior Member
    Joined
    Mar 2012
    From
    Sheffield England
    Posts
    440
    Thanks
    76

    Re: Trignimetry question find E

    Use the formulae sina-sinb=2cos(a+b)/2sin(a-b)/2 and cosb-cosa=2sin(a+b)/2sin(a-b)/2
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Probability question- how do I find the CDF?
    Posted in the Statistics Forum
    Replies: 2
    Last Post: March 28th 2012, 11:58 AM
  2. Find Curvature Question
    Posted in the Calculus Forum
    Replies: 2
    Last Post: November 21st 2010, 04:42 AM
  3. Replies: 2
    Last Post: December 2nd 2009, 10:12 AM
  4. Replies: 1
    Last Post: November 30th 2009, 05:59 PM
  5. find the sum of the series question **
    Posted in the Calculus Forum
    Replies: 3
    Last Post: May 15th 2009, 01:40 AM

Search Tags


/mathhelpforum @mathhelpforum