A) \[30{}^\circ \]
B) \[45{}^\circ \]
C) \[60{}^\circ \]
D) \[75{}^\circ \]
Correct Answer: C
Solution :
[c] \[500\cos \theta =250\Rightarrow \cos \theta =\frac{1}{2}\text{ or }\theta \,\text{=}\,\,\text{60}{}^\circ \text{.}\]You need to login to perform this action.
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