Question 271

If the expression  is real then the set of all possible values of x is .  .  .  .


a) x = 2nπ or mπ + π/4

b) x = nπ or mπ + π/4

c) x = 2nπ or 2mπ + π/4

d) x = nπ or 2mπ + π/4

IIT 1987

Your Answer

ABCD   CLEAR