$\sqrt{1-1/2}$
You asked:
Evaluate the expression: \(\sqrt{1 - \frac{1}{2}}\)
MathBot Answer:
\[\sqrt{1 - \frac{1}{2}} = \frac{\sqrt{2}}{2} \approx 0.70710678118654752440084436210485\]
\[\begin{aligned}\sqrt{1 - \frac{1}{2}}& = \sqrt{\frac{1}{2}}\\& = \frac{1}{2} \cdot \sqrt{2}\end{aligned}\]