Mark M. answered • 02/03/19
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cos30º = (a·b) / [ lal · lbl ]
√3 / 2 = (a·b) / 48
So, a·b = 24√3
Paola L.
asked • 01/30/19Find a · b. |a| = 8, |b| = 6, the angle between a and b is 30°.
Calc, dot product, magnitude
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