Problem

Problem

The domain of the function f(x)=log⁡1∣sin⁡x∣f(x) = \sqrt{\log \frac{1}{|\sin x|}} is (a) R−{2nπ,n∈I}R - \{2n\pi, n \in I\} (b) R−{nπ,n∈I}R - \{n\pi, n \in I\} (c) R−{−π,π}R - \{-\pi, \pi\} (d) (−∞,∞)(-\infty, \infty)

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