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| 1. |
If A =B+C and the magnitudes of A , B and c are 5, 4 and 3 units, the angle between A and C is– (A)cos{3\5} (b)COS{4/5} (c) pi\2 (D)sin{3\4} |
| Answer» TION:hhzhshsiodpdjdjdndofpd | |