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7.The angle that the vector OA = 5i+5/ makes withy-axis is(1) 30^° (2) 45^° (3) 60^° -1(4) tan

Answer» 7.The angle that the vector OA = 5i+5/ makes withy-axis is(1) 30^° (2) 45^° (3) 60^° -1(4) tan


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