a) 69.69
b) 84.32
c) 63.25
d) 83.25
Find the angle between x + 2y + 7z + 2 = 0 and 4x + 4y + z + 2 = 0.
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answerhappygod
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Find the angle between x + 2y + 7z + 2 = 0 and 4x + 4y + z + 2 = 0.
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