The solution of equation ${\cos ^2}\theta + \sin \theta + 1 = 0$ lies in the interval
The solution of equation ${\cos ^2}\theta + \sin \theta + 1 = 0$ lies in the interval
- [IIT 1992]
- A
$\left( { - \frac{\pi }{4},\frac{\pi }{4}} \right)$
- B
$\left( {\frac{\pi }{4},\frac{{3\pi }}{4}} \right)$
- C
$\left( {\frac{{3\pi }}{4},\frac{{5\pi }}{4}} \right)$
- D
$\left( {\frac{{5\pi }}{4},\frac{{7\pi }}{4}} \right)$
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