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Understanding 2

When we are asked for one of the trigo properties of triangles, we name this...

$$\frac {a}{sinA} = \frac {b}{sinB} = \frac {c}{sinC}$$

Why does it work?

Bonus: $$\frac {a}{sinA} =2R$$... why?

Again, try not to use other resources.

Note by Aloysius Ng
2 years, 2 months ago