Electrical Engineering > GATE 2013 SET-1 > Complex Numbers
Square roots of −i, where i = √−1, are
A
i, −i
B
cos(3π/4) + i·sin(3π/4), cos(π/4) + i·sin(π/4)
C
cos(π/4) + i·sin(π/4), cos(3π/4) + i·sin(3π/4)
D
cos(3π/4) − i·sin(3π/4), cos(π/4) + i·sin(π/4)

Correct : c

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