if a=4i+6j-3k and b=2i+5j+7k then find the angle between them
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Answer:
the angle between a and b is
75.73 degree
Explanation:
at first find the value of a.b
a.b=17
a=√61
b=√78
cosθ= 17/√61×√78
= 75.73 degree
plz tell me if the answer Is wrong
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