Question
Sat April 23, 2011 By: Gunjan Singh

trigonometry

Expert Reply
Tue April 26, 2011
Law of tangents
Let a triangle have sides of length , , and and let the angles opposite these sides be denoted by A ,B   and C. The law of tangents states that
(a-b)/(a+b)= tan (1/2(A-B)/1/2(A+B))

 

Related Questions
Wed May 11, 2016

find the value of  x

Wed May 11, 2016

Sin

Ask the Expert