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Math Help - How to graph y = cos x?

  1. #1
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    How to graph y = cos x?



    I already understand how to do part a. However I don't know where to start on part b.

    Also are these the values for the graph?
    0.8
    0.2415
    cos (0.8) = 0.696706709
    -cos(2.9) = 0.970958165
    *My calculator is in radians

    Please start me with graphing this problem. Thank you so much!
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  2. #2
    Super Member
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    Dear florx,

    First draw the graph of y=cos t. Then try to draw these segments. Do you know the cosine function?? In any case I have attached it below.
    Attached Thumbnails Attached Thumbnails How to graph y = cos x?-sp1.png  
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