Class 11MathematicsTrigonometrical EquationsRelation between sides and angles, Solutions of triangles
EasyIn $\Delta ABC$ with usual notations $a=4, b=3, \angle A=60^{\circ}$,then $c$ is a root of the equation
- A$c^{2}-3c-7=0$
- B$c^{2}-3c+7=0$
- C$c^{2}+3c-7=0$
- D$c^{2}+3c+7=0$
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