A) 1.41
B) 1.2
C) 1.5
D) 2
Correct Answer: A
Solution :
From the formula, \[_{1}{{\mu }_{2}}=\frac{1}{\sin C}=\frac{1}{\sin {{45}^{o}}}\] \[=\frac{1}{\frac{1}{\sqrt{2}}}=\sqrt{2}=1.414\approx 1.41\]
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