The equation \[{{(a+b)}^{2}}=4ab{{\sin }^{2}}\theta \]is possible only when

The equation \[{{(a+b)}^{2}}=4ab{{\sin }^{2}}\theta \]is possible only

1.	The equation \[{{(a+b)}^{2}}=4ab{{\sin }^{2}}\theta \]is possible only when
A.	\[2a=b\]
B.	\[a=b\]
C.	\[a=2b\]
D.	None of these
Answer» C. \[a=2b\]

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The equation \[{{(a+b)}^{2}}=4ab{{\sin }^{2}}\theta \]is possible only when

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