19. If θ is the angle between any two vectors a and b , then I a . b I = I a x b I when θ is equal to 19. If θ is the angle between any two vectors a and b then I a . b I = I a x b I when θ is equal to November 15, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related