1 Answer

Kshama · Answer 1 · 2020-02-08T22:36:59+0000

Answer:

60°

Step-by-step explanation:

The scalar product of two vectors with an angle ∅ between them is defined as:

$\overrightarrow{a}\cdot \overrightarrow{b}=|a||b|cos\phi$

Solving for angle ∅:

$\phi= cos^(-1)(\frac{\overrightarrow{a}\cdot \overrightarrow{b}}a)=cos^(-1)((4)/(8))$

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