A) \[n\pi =\frac{7\pi }{4}\]
B) \[n\pi +{{(-1)}^{n}}\frac{7\pi }{4}\]
C) \[2n\pi {{+}^{}}\frac{7\pi }{4}\]
D) none of these
Correct Answer: C
Solution :
[c] Since tan \[\theta \]0, \[\theta \]lies in the fourth quadrant, then \[\theta =7\pi /4\]. Hence, the general value of \[\theta \]is \[2n\pi +7\pi /4,n\in Z.\]
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