SOLUTION: Find the angle between the planes 3x-y+z-5=0 and x+2y+2z+2=0.

SOLUTION: Find the angle between the planes 3x-y+z-5=0 and x+2y+2z+2=0.

Algebra.Com

Question 942470: Find the angle between the planes 3x-y+z-5=0 and x+2y+2z+2=0.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find the normal of each plane, then use the dot product.
=(,,)
=(,,)
.
.
.

So then,

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