If magnitude of the resultant of two vectors equal of magnitude, is equal to the magnitude of either of the vectors, what is the angle between them ?

If magnitude of the resultant of two vectors equal of magnitude, is eq

1.	If magnitude of the resultant of two vectors equal of magnitude, is equal to the magnitude of either of the vectors, what is the angle between them ?
Answer» SOLUTION :`R = 2P cos""(theta)/(2)`