Trigonometric EquationHard
Question
ABC is a triangle. Forces 
acting along IA, IB and IC respectively are in equilibrium, where I is the incentre of ᐃABC. Then P : Q : R is
acting along IA, IB and IC respectively are in equilibrium, where I is the incentre of ᐃABC. Then P : Q : R isOptions
A.sinA : sin B : sinC
B.
C.
D.cosA : cosB : cosC
Solution
Using Lami′s Theorem
∴ P : Q : R =
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