​ If θ is the angle between any two vectors a and b then ​

Question

If θ is the angle between any two vectors \(\vec{a}\) and \(\vec{b},\)then \(|\vec{a}\;.\;\vec{b}| = |\vec{a} \times\vec{b}|\) when θ is equal to

(A) 0 

(B) \(\frac{\pi}{4}\)

(C) \(\frac{\pi}{2}\)

(D) π

Answer 1

Answer is (B)