The solution of equation \[{{\cos }^{2}}\theta +\sin \theta +1=0\] lies in the interval [UPSEAT 2004; IIT 1992]

\[\left( -\frac{\pi }{4},\frac{\pi }{4} \right)\]

\[\left( \frac{\pi }{4},\frac{3\pi }{4} \right)\]

\[\left( \frac{3\pi }{4},\frac{5\pi }{4} \right)\]

\[\left( \frac{5\pi }{4},\frac{7\pi }{4} \right)\]

The solution of equation \[{{\cos }^{2}}\theta +\sin \theta +1=0\] lie

1.	The solution of equation \[{{\cos }^{2}}\theta +\sin \theta +1=0\] lies in the interval [UPSEAT 2004; 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.	\[\left( \frac{5\pi }{4},\frac{7\pi }{4} \right)\]
Answer» E.

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The solution of equation \[{{\cos }^{2}}\theta +\sin \theta +1=0\] lies in the interval [UPSEAT 2004; IIT 1992]

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