If in a $\Delta ABC$,$\frac{\cos A}{a} = \frac{\cos B}{b} = \frac{\cos C}{c}$,then the triangle is
- Aright angled
- Bisosceles
- Cequilateral
- Dobtuse
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View SolutionIn a triangle $ABC$, if $r_1=2 r_2=3 r_3$, then $\frac{a}{b}+\frac{b}{c}+\frac{c}{a}=$
DifficultTS EAMCET 2023
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