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Math Help - Reference angles and value of functions

  1. #1
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    Reference angles and value of functions

    Express each function as function of reference angle.
    (degrees)
    1. cos -115
    my answer:-cos 65
    2. csc 140
    my answer: csc 40
    Find the value of each function.
    degrees

    1. sec 135
    my answer: -1.41 >(square root of 2; i dont know how to put the radical sign)

    Are these answers correct?
    Thanks.
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  2. #2
    Moo
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    Hello,

    Quote Originally Posted by NeedHelp18 View Post
    Express each function as function of reference angle.
    (degrees)
    1. cos -115
    my answer:-cos 65
    2. csc 140
    my answer: csc 40
    It's ok


    Find the value of each function.
    degrees

    1. sec 135
    my answer: -1.41 >(square root of 2; i dont know how to put the radical sign)

    Are these answers correct?
    Thanks.
    I don't understand what your answer is... Is it -1.41 or -1.41 \cdot \sqrt{2} ?

    (click on the formulas to know how to type it )
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  3. #3
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    sorry its -1.41 lol
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  4. #4
    Moo
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    Quote Originally Posted by NeedHelp18 View Post
    sorry its -1.41 lol
    Yep, I find it to be the same
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