Question

If A=B+C and the magnitude of A,B,C are 5,4 and 3 units respectively, the angle between A and B is

a) cos^-1 [ 3/5]
b) cos^-1 [ 4/5]
c) pie/2
d) sin ^-1 [3/4]

Who solve this question I will mark them as brain list and get 10 points each

Please do it fast friends

Answer 1

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