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

 

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

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Dipanker Mehata