If \[x+iy=\frac{3}{2+\cos \theta +i\sin \theta },\]then \[{{x}^{2}}+{{y}^{2}}\] is equal to

If \[x+iy=\frac{3}{2+\cos \theta +i\sin \theta },\]then \[{{x}^{2}}+{{

1.	If \[x+iy=\frac{3}{2+\cos \theta +i\sin \theta },\]then \[{{x}^{2}}+{{y}^{2}}\] is equal to
A.	\[3x-4\]
B.	\[4x-3\]
C.	\[4x+3\]
D.	None of these
Answer» C. \[4x+3\]

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If \[x+iy=\frac{3}{2+\cos \theta +i\sin \theta },\]then \[{{x}^{2}}+{{y}^{2}}\] is equal to

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