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Math Help - terminal arms

  1. #1
    Junior Member
    Joined
    Apr 2009
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    44

    terminal arms

    calculate the values of sin0,cos0,and tan0 if the terminal arm of 0 in standard position contain the point P(3,4)
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  2. #2
    Super Member
    Joined
    May 2009
    Posts
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    P(3, 4) -> x = 3, y = 4
    Using x^2 + y^2 = r^2, r = 5

    sin θ = y/r = 4/5
    cos θ = x/r = 3/5
    tan θ = y/x = 4/3

    Am I missing something?


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