1 / (−√3−i)
= 1 (1 + 0i) / (2 (−√3/2 − i/2))
= 1 (cos 0 + i sin 0) / (2 (cos(−5π/6) + i sin(−5π/6)))
= 1/2 (cos(0−(−5π/6)) + i sin(0−(−5π/6)))
= 1/2 (cos 5π/6 + i sin 5π/6)
= 1/2 (−√3/2 + i/2)
= −√3/4 + i/4
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Verified answer
1 / (−√3−i)
= 1 (1 + 0i) / (2 (−√3/2 − i/2))
= 1 (cos 0 + i sin 0) / (2 (cos(−5π/6) + i sin(−5π/6)))
= 1/2 (cos(0−(−5π/6)) + i sin(0−(−5π/6)))
= 1/2 (cos 5π/6 + i sin 5π/6)
= 1/2 (−√3/2 + i/2)
= −√3/4 + i/4