The solution of the equation \[4{{\cos }^{2}}x+6\]\[{{\sin }^{2}}x=5\] [AI CBSE 1983]

The solution of the equation \[4{{\cos }^{2}}x+6\]\[{{\sin }^{2}}x=5\]

1.	The solution of the equation \[4{{\cos }^{2}}x+6\]\[{{\sin }^{2}}x=5\] [AI CBSE 1983]
A.	\[x=n\pi \pm \frac{\pi }{2}\]
B.	\[x=n\pi \pm \frac{\pi }{4}\]
C.	\[x=n\pi \pm \frac{3\pi }{2}\]
D.	None of these
Answer» C. \[x=n\pi \pm \frac{3\pi }{2}\]

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The solution of the equation \[4{{\cos }^{2}}x+6\]\[{{\sin }^{2}}x=5\] [AI CBSE 1983]

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