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Math Help - Angle between planes and line of intersection of planes.

  1. #1
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    Angle between planes and line of intersection of planes.

    Two planes have equations x + 2y − 2 = 7 and 2x + y + 3 = 5.
    (i) Calculate the acute angle between the planes.
    (ii) Find a vector equation for the line of intersection of the planes.
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  2. #2
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    Re: Vectors help please

    Quote Originally Posted by chagerochi View Post
    Two planes have equations x + 2y − 2 = 7 and 2x + y + 3 = 5.
    (i) Calculate the acute angle between the planes.
    (ii) Find a vector equation for the line of intersection of the planes.
    Hello and welcome to MathHelpForum.
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