Prove that the area of a triangle can be found with the formula Area = a^ 2 B C 2 A .

MATHEMATICS · Subjective · A Level · Mathematics · Trigonometry · Trigonometry

Problem

54. Prove that the area of a triangle can be found with the formula Δ Area =a2sin⁡Bsin⁡C2sin⁡A.\Delta \text { Area }=\frac{a^{2} \sin B \sin C}{2 \sin A} .

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