Last Activity: 9 Years ago
I am guessing the last option is actually tanAtanBtanC so I will prove that
as A,B,C are angles of a triangle
A+B+C = 180
thus
now computing the sum of the three tangents
which results intoHence Proved
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Get your questions answered by the expert for free
Last Activity: 2 Years ago
Last Activity: 2 Years ago
Last Activity: 2 Years ago
Last Activity: 2 Years ago
Last Activity: 2 Years ago