Discussion
If both x and y components of a vector are equal, its angle with x-axis is
Answer: B
The angle is 45°.
The angle \(\theta\) with the x-axis satisfies \(\tan\theta = \frac{A_{y}}{A_{x}}\). With equal components,
\[ \tan\theta = 1 \Rightarrow \theta = 45^{\circ} \]
30° and 60° need components in the ratio \(1 : \sqrt{3}\). 90° means no x-component, and 0° means no y-component.
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