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Thread: 3d trig help please?

  1. July 12th 2009, 02:02 AM #1
    anonymous_maths
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    3d trig help please?

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  2. July 12th 2009, 10:32 AM #2
    aidan
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    Quote Originally Posted by anonymous_maths View Post
    http://www.mathhelpforum.com/math-he...manageattach&p=


    angle CAE is 45deg
    angle gAf' is 45deg
    angle gfA is 22.5deg

    ANGLE ifh = angle 90 deg minus angle gfA.
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