Trigonometric ratios in terms of sides of a triangle for JEE

Formula

\(\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}=2R\)

Variables: \(a,b,c\) are sides opposite angles \(A,B,C\); \(R\) = circumradius.

Conditions: For any triangle \(ABC\).

Sine rule applications in trigonometric triangles.