Category:Sum of Sines of Angles in Triangle
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This category contains pages concerning Sum of Sines of Angles in Triangle:
Let $\triangle ABC$ be a triangle.
Then:
- $\sin A + \sin B + \sin C = 4 \cos \dfrac A 2 \cos \dfrac B 2 \cos \dfrac C 2$
Pages in category "Sum of Sines of Angles in Triangle"
The following 2 pages are in this category, out of 2 total.