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    spacefire5458's Avatar
    spacefire5458 Posts: 84, Reputation: 1
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    #1

    Nov 16, 2007, 06:57 PM
    Finding the angle between two lines-trigonometry
    How would I find the angle between two lines using trigonometry?
    Gernald's Avatar
    Gernald Posts: 901, Reputation: 93
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    #2

    Nov 16, 2007, 07:01 PM
    Use the Side Angle Side law I think... I can't remember what the law says but you can Google it. That or use SOHCAHTOA, it should be in your book or online somewhere if you need to know how to do that. Try Purplemath if that dosen't work.
    terryg752's Avatar
    terryg752 Posts: 197, Reputation: 4
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    #3

    Nov 16, 2007, 09:55 PM
    Look at the Sine Rule and Cosine Rule in your text book.
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