vectors-m

Question: Let a and b be two unit vectors inclined at an angle $\theta $, then $\sin \,(\theta /2)$ is equal to

1) $\frac{1}{2}|a-b|$

2) $\frac{1}{2}|a+b|$

3) $|a-b|$

4) $|a+b|$

Solution:

Explanation: No Explanation

Scalar Product Dot Product

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