The resultant of three vectors 1,2 and 3 units whose directions are those of the sides of an equilateral triangle is at an angle of

The resultant of three vectors 1,2 and 3 units whose directions are th

1.	The resultant of three vectors 1,2 and 3 units whose directions are those of the sides of an equilateral triangle is at an angle of
Answer» `30^@`with the first vector `15^@`with the first vector ` 100^@`with the first vector `150^@`with the first vector Answer :D