Advertisement
If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)
Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie

maths paper 2 q4 c

Options
  • 26-04-2007 1:08pm
    #1
    Gangsta
    Closed Accounts Posts: 1,603 ✭✭✭


    am completely stumped on this q from the '94 paper...any know how to do it??:eek:


Comments

  • Options
    #2
    Tomlowe
    Closed Accounts Posts: 131 ✭✭Tomlowe


    a year would be helpful


  • Options
    #3
    Gangsta
    Closed Accounts Posts: 1,603 ✭✭✭Gangsta


    Tomlowe wrote:
    a year would be helpful


    oops sorry about that!:o it's 1994!


  • Options
    #4
    Tomlowe
    Closed Accounts Posts: 131 ✭✭Tomlowe


    I think this is right, i dont know cos i dont have a calculator on me now

    rt = qrsin60=sp

    qr=sqcos65

    sp=sqcos65sin60

    sin|pqs|=sp/sq
    =(sqcos65sin60)/sq
    =cos65sin60

    pqs= sin^-1 cos65sin60

    ive probably bollocked it up somewhere but you get the gist


Advertisement