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maths paper 2 q4 c

  • 26-04-2007 12:08pm
    #1
    Closed Accounts Posts: 1,603 ✭✭✭


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


Comments

  • Closed Accounts Posts: 131 ✭✭Tomlowe


    a year would be helpful


  • Closed Accounts Posts: 1,603 ✭✭✭Gangsta


    Tomlowe wrote:
    a year would be helpful


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


  • 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


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