If θ is the angle between any two vectors a and b, then |a.b| = |a x b| when θ is equal to A.0 B. π/4 C. π/2 D. π

Question

If θ is the angle between any two vectors a and b, then |a.b| = |a x b| when θ is equal to

 A.0

B. \(\cfrac\pi4\)

C. \(\cfrac\pi2\)

D. π

Answer 1

Correct option is B. \(\cfrac{\pi}4\)