The value of the determinant \[\left| \begin{matrix} {{\cos }^{2}}54{}^\circ & {{\cos }^{2}}36{}^\circ & \cot 135{}^\circ \\ {{\sin }^{2}}53{}^\circ & \cot 135{}^\circ & {{\sin }^{2}}37{}^\circ \\ \cot 135{}^\circ & co{{s}^{2}}25{}^\circ & {{\cos }^{2}}65{}^\circ \\ \end{matrix} \right|\] is equal to

The value of the determinant \[\left| \begin{matrix} {{\cos }^{2}

1.	The value of the determinant \[\left\| \begin{matrix} {{\cos }^{2}}54{}^\circ & {{\cos }^{2}}36{}^\circ & \cot 135{}^\circ \\ {{\sin }^{2}}53{}^\circ & \cot 135{}^\circ & {{\sin }^{2}}37{}^\circ \\ \cot 135{}^\circ & co{{s}^{2}}25{}^\circ & {{\cos }^{2}}65{}^\circ \\ \end{matrix} \right\|\] is equal to
A.	\[-2\]
B.	\[-1\]
C.	\[0\]
D.	\[1\]
Answer» D. \[1\]

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