Results 1 to 4 of 4
Like Tree1Thanks
  • 1 Post By Plato

Math Help - Find Angle Between Vector

  1. #1
    Mc3
    Mc3 is offline
    Newbie
    Joined
    Jun 2013
    From
    USA
    Posts
    12

    Find Angle Between Vector

    <3,1> x <4,-5>
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Aug 2006
    Posts
    18,790
    Thanks
    1687
    Awards
    1

    Re: Find Angle Between Vector

    Quote Originally Posted by Mc3 View Post
    <3,1> x <4,-5>
    The angle between \vec{A}~\&~\vec{B} is \arccos \left( {\frac{{\vec{A}\cdot\vec{B}}}{{\|\vec{A}\|~\|\vec{  B}\|}}} \right)
    Thanks from HallsofIvy
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Mc3
    Mc3 is offline
    Newbie
    Joined
    Jun 2013
    From
    USA
    Posts
    12

    Re: Find Angle Between Vector

    I tried cos^1 7/ square root 10 x square root 41 but it says error on my calc?
    Follow Math Help Forum on Facebook and Google+

  4. #4
    Member
    Joined
    Sep 2012
    From
    United States
    Posts
    97
    Thanks
    21

    Re: Find Angle Between Vector

    You must have plugged it in wrong to the calculator. It is in the range of arcos.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Find components using only 1 vector and 1 angle
    Posted in the Pre-Calculus Forum
    Replies: 3
    Last Post: June 17th 2011, 01:43 AM
  2. Replies: 1
    Last Post: April 4th 2011, 11:36 AM
  3. Angle between 2 vector
    Posted in the Advanced Algebra Forum
    Replies: 6
    Last Post: December 29th 2009, 12:24 PM
  4. Replies: 3
    Last Post: April 16th 2009, 08:45 AM
  5. Vector: Angle
    Posted in the Calculus Forum
    Replies: 1
    Last Post: March 6th 2008, 06:37 AM

Search Tags


/mathhelpforum @mathhelpforum