If and then calculate the angle between and

Question

Philoid · Accepted Answer

|| =

We know that ,

⇒

⇒ (35 - 4) = 50 cosθ

⇒ cosθ = 31/50

⇒ θ = cos ^{- 1}(31/50)

Ans: θ = cos ^{- 1}(31/50)