Evaluate
-\frac{\sqrt{2}}{4}\approx -0.353553391
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\frac{1\left(-1\right)}{2\times 2}\sqrt{2}
Multiply \frac{1}{2} times -\frac{1}{2} by multiplying numerator times numerator and denominator times denominator.
\frac{-1}{4}\sqrt{2}
Do the multiplications in the fraction \frac{1\left(-1\right)}{2\times 2}.
-\frac{1}{4}\sqrt{2}
Fraction \frac{-1}{4} can be rewritten as -\frac{1}{4} by extracting the negative sign.
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