VectorHard

Question

are mutually perpendicular vectors fo equal magnitude then angle between and   is -

Options

A.cos-1
B.cos-1
C.π - cos-1
D.cos-1√2

Solution

are unit vector mutually perpendicular to each other then angle between is given by
cos θ =
= 
⇒  cos θ = or θ = cos-1 = tan-1 √2

Create a free account to view solution

View Solution Free
Topic: Vector·Practice all Vector questions

More Vector Questions

Let the vectors and be such that . Let P1 and P2 be planes determined by the pairs of vectors and respectively, then the...The mid point of points which divide line joining the points and in the ratio 1 : 2 and 2 : 1 is-...Let . The point of intersection of the lines is -...If the moduli of vectors and are 1 and 2 respectively and . = 1, then the angle θ between them is-...(2 + 3) × (5 + 7) is equal to-...