Question

Solution

Correct option is

π/4

The diagonals of the parallelogram are given by  Let θ be the angle between the diagonals. Then,  SIMILAR QUESTIONS

Q1

If two out of the three vectors are unit vectors such that then the length of the third vector is

Q2

Let be three unit vectors such that and If makes angles δ, β with respectively, then is equal to

Q3

Let be three unit vectors such that angle between is If then cos α + cos β + cos γ =

Q4

Let be three unit vectors such that angle between is If then cos α + cos β + cos γ =

Q5

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

Q6

Let be three vectors of equal magnitude such that the angle between each pair is If Q7

If , then the value of is equal to

Q8

Angle between vectors are unit vectors satisfying Q9

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

Q10

If are two vectors such that then angle between 