Area formulas of a triangle using trigonometry for JEE

Formula

\(\Delta=\dfrac{1}{2}bc\sin A=\dfrac{1}{2}ca\sin B=\dfrac{1}{2}ab\sin C\)

Variables: \(\Delta\) = area of triangle, \(a,b,c\) sides opposite angles \(A,B,C\).

Conditions: For any triangle.

Area-based triangle problems.