Class 11MathematicsTrigonometrical EquationsRelation between sides and angles, Solutions of triangles
Easy$A$ triangle can be uniquely determined by its
- AThree angles
- BThree sides
- COne of the angles and one of the sides
- DOnly one side
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Similar Questions
In a triangle $ABC$ with usual notations,if $b \sin C(b \cos C + c \cos B) = 42$,then the area of triangle $ABC$ is:
In $\triangle ABC$,if $\frac{1}{b+c} + \frac{1}{c+a} = \frac{3}{a+b+c}$,then $\angle C$ is equal to: (in $^{\circ}$)
DifficultAP EAMCET 2008
View SolutionIf in a $\triangle ABC$,$r_3 = r_1 + r_2 + r$,then $\angle A + \angle B$ is equal to (in $^{\circ}$)
DifficultTS EAMCET 2004
View SolutionWith the usual notation,in $\Delta ABC$,if $\angle A + \angle B = 120^{\circ}$ and $a : b = (\sqrt{3} + 1) : (\sqrt{3} - 1)$,then the ratio $\angle A : \angle B$ is
DifficultJEE MAIN 2019
View SolutionIn a $\triangle ABC$,if $r_1 = 2r_2 = 3r_3$,then $a : b =$
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