A) 30°
B) 45°
C) 60°
D) 75°
Correct Answer: B
Solution :
\[\mu =\frac{\sin i}{\sin A/2}\]\[\Rightarrow \sqrt{2}=\frac{\sin i}{\sin \left( \frac{60}{2} \right)}\] \[\Rightarrow \sqrt{2}\times \sin 30=\sin i\]\[\Rightarrow i={{45}^{o}}\]You need to login to perform this action.
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