Class 11MathematicsTrigonometrical EquationsRelation between sides and angles, Solutions of triangles
MediumIn a triangle $ABC$ with usual notations,if $b \sin C(b \cos C + c \cos B) = 42$,then the area of triangle $ABC$ is:
- A$42 \text{ sq.units}$
- B$21 \text{ sq.units}$
- C$24 \text{ sq.units}$
- D$12 \text{ sq.units}$
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