Question

The scalar product of two vectors is 5√3
and magnitude of their vector product in 5.
find the angle between them [Ans:30]​

Answer 1

Explanation:

let vectors = A and B

Scalar product=ABcosTheta=5√3

Vector product=ABsintheta=5

Divide the scalar prpduct by vector product.

So,ABsintheta/ABCos theta=5√3/5

Tantheta =1/√3. (Sintheta/Costheta=Tan theta)

theta=30°

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