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jherasjr
Dec17-03, 09:36 PM
Determine an equation of a plane that intersects the plane x+y+z=3 at an angle of 60 degrees.
HallsofIvy
Dec18-03, 05:47 AM
Why?


(Once again- show us what YOU have tried and where you have difficulty.)
mathwonk
Jul23-04, 09:24 PM
hint: to measure the angle of a plane use the normal vector to the plane.