Vector product of normals to two planes: a visual approach

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Vector product of normals to two planes: a visual approach

Postby whitecorp » Wed Apr 10, 2013 10:25 pm

Sometimes a picture speaks a million words, so I have drawn a diagram to show how the vector product of two normals to two distinct,non-parallel planes actually yields the direction vector of the line of intersection between these two planes:

http://www.a-levelmaths.com/summaryhandouts.htm (see no.11
under supplements)

Hope this helps. Peace.

whitecorp
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