1.

For \[-\pi

A. \[\pm \frac{\pi }{3},\pm \frac{2\pi }{3}\]
B. \[\frac{\pi }{3},\frac{2\pi }{4}\]
C. \[\frac{\pi }{4},\frac{3\pi }{4}\]
D. None of these
Answer» B. \[\frac{\pi }{3},\frac{2\pi }{4}\]


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