## Question

### Solution

Correct option is

2π/3

Let θ be the angle between unit vectors .

Since are unit vectors. #### SIMILAR QUESTIONS

Q1

Let be vectors of equal magnitude such that the angle between Then, the minimum value of the cos α + cos β + cos γ is

Q2

Let be three vectors of equal magnitude such that the angle between each pair is If Q3

If , then the value of is equal to

Q4

Angle between vectors are unit vectors satisfying Q5

The values of ‘a’ for which the points ABC with position vectors respectively are the vertices of a right angled triangle with C = π/2 are

Q6

The vectors are the adjacent sides of a parallelogram. Then, the acute angle between its diagonals is

Q7

If are two vectors such that then angle between Q8

The values of x for which the angle between the vectors is acute, and the angle between the vector and the axis of ordinates is obtuse, are

Q9

The value of x for which the angle between and is obtuse and the angle between and the z-axis is acute and less than π/6, are

Q10 , then the angle between 