Question

Angle between vectors  are unit vectors satisfying 

Solution

Correct option is

 

We have,

          

  

  

  

  

Where θ is the angle between   

SIMILAR QUESTIONS

Q1

If  are three vectors such that 

Q2

Let  be three vectors such that  and  If 

Q3

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

Q4

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

Q5

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

Q6

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

Q7

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

Q8

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

Q9

If , then the value of  is equal to

Q10

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