Results 1 to 3 of 3

Math Help - Laplace transform

  1. #1
    Member
    Joined
    Oct 2009
    Posts
    82

    Laplace transform

    Find the Laplace transform of  t \sin(2t + 5) = G(s)

    So if F(s) = \mathcal{L}\{\,\sin(2t+5);t \to s\}

    Then G(s) = -F'(s)

    But F(s) = \;?

    Any help would be appreciated, thankyou!
    Last edited by harbottle; November 5th 2009 at 02:45 PM.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Flow Master
    mr fantastic's Avatar
    Joined
    Dec 2007
    From
    Zeitgeist
    Posts
    16,948
    Thanks
    5
    Quote Originally Posted by harbottle View Post
    Find the Laplace transform of  t \sin(2t + 5) = G(s)

    So if F(s) = \mathcal{L}\{\,\sin(2t+5);t \to s\}

    Then G(s) = F'(s)

    But F(s) = \;?

    Any help would be appreciated, thankyou!
    Note that \sin (2t + 5) = \sin (2t) \cos (5) + \sin (5) \cos (2t).
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Member
    Joined
    Oct 2009
    Posts
    82
    Thank you!
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Laplace transform and Fourier transform what is the different?
    Posted in the Advanced Applied Math Forum
    Replies: 8
    Last Post: December 29th 2010, 11:51 PM
  2. Laplace transform
    Posted in the Advanced Applied Math Forum
    Replies: 5
    Last Post: December 27th 2010, 11:55 AM
  3. Laplace transform
    Posted in the Differential Equations Forum
    Replies: 4
    Last Post: September 4th 2009, 04:21 AM
  4. Laplace Transform Help
    Posted in the Differential Equations Forum
    Replies: 1
    Last Post: April 9th 2009, 11:50 PM
  5. LaPlace Transform
    Posted in the Calculus Forum
    Replies: 2
    Last Post: November 12th 2008, 11:35 PM

Search Tags


/mathhelpforum @mathhelpforum