What is the principal value of Log(−1−i)\text{Log}(-1-i)Log(−1−i)?
\frac{1}{2}\ln 2 - i\frac{3\pi}{4}
\frac{1}{2}\ln 2 + i\frac{5\pi}{4}
\ln 2 - i\frac{3\pi}{4}
\frac{1}{2}\ln 2 - i\frac{\pi}{4}