Solution of Triangle (Sine Rule and Cosine Rule)
1.Introduction :
In any triangle three sides and angle of three sides are called element of a triangle.When three elements are given and processing of other element called Solution of Triangle.
In any triangle ABC :
- A+B+C = 180 degree
- a+b>c ,b+c>a, a+c>b
- a,b,c>0
SINE RULE:
In any triangle ABC
Cosine Rule:
where a,b,c are sides and A,B,C are angle of triangle