0.141
0.301
0.667
0.707
Correct answer is D
\(\frac{1}{\sqrt{2}}\) = \(\frac{1}{\sqrt{2}}\) x \(\frac{\sqrt{2}}{\sqrt{2}}\) = \(\frac{\sqrt{2}}{2}\) = \(\frac{1.414}{2}\) = 0.707
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