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Math Help - sin and cos graph

  1. #1
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    sin and cos graph

    Graph graph y=sinx and y=cos(x+pi/2) over the interval [-2pi,2pi]
    -What do you notice?
    -Why does this make sense?

    Thanks
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by johett View Post
    Graph graph y=sinx and y=cos(x+pi/2) over the interval [-2pi,2pi]
    -What do you notice?
    -Why does this make sense?

    Thanks
    you get one graph by reflecting the other in the y-axis. here's a pic

    now what can you say?
    Attached Thumbnails Attached Thumbnails sin and cos graph-trig.jpg  
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