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Consider the vectors vec a = hat i - 7...

Consider the vectors
`vec a = hat i - 7 hat j + 7 hat k, 3 hat i - 2 hat j + 2 hat k`
(a) Find `vec a.vecb`
(b) Find the angle between `vec a` and `vec b`.

Text Solution

Verified by Experts

The correct Answer is:
(a) 31
(b)`cos^(-1)((31)/(sqrt1683))`
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