If in a triangle ABC, \[\left| \begin{matrix} 1 & \sin A & {{\sin }^{2}}A \\ 1 & \sin B & {{\sin }^{2}}B \\ 1 & \sin C & {{\sin }^{2}}C \\ \end{matrix} \right|=0\] then the triangle is

If in a triangle ABC, \[\left| \begin{matrix} 1 & \sin A & {{\sin }^{

1.	If in a triangle ABC, \[\left\| \begin{matrix} 1 & \sin A & {{\sin }^{2}}A \\ 1 & \sin B & {{\sin }^{2}}B \\ 1 & \sin C & {{\sin }^{2}}C \\ \end{matrix} \right\|=0\] then the triangle is
A.	Equilateral or isosceles
B.	Equilateral or right-angled
C.	Right angled or isosceles
D.	None of these
Answer» B. Equilateral or right-angled

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If in a triangle ABC, \[\left| \begin{matrix} 1 & \sin A & {{\sin }^{2}}A \\ 1 & \sin B & {{\sin }^{2}}B \\ 1 & \sin C & {{\sin }^{2}}C \\ \end{matrix} \right|=0\] then the triangle is

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