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


      In any triangle ABC




Cosine Rule:

where a,b,c are sides and A,B,C are angle of triangle


Post By : Dipanker Mehata 14 Sep, 2018 4018 views Maths JEE MAIN IIT