Class 11MathematicsTrigonometrical EquationsRelation between sides and angles, Solutions of triangles
EasyIn $\Delta ABC$,$\frac{\sin B}{\sin (A + B)} = $
- A$\frac{b}{a + b}$
- B$\frac{b}{c}$
- C$\frac{c}{b}$
- DNone of these
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View SolutionIn a triangle $ABC$ with usual notations,if $b \sin C(b \cos C + c \cos B) = 42$,then the area of triangle $ABC$ is:
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