Q16. Three forces P, Q, and R are in equilibrium, acting along the lines IA, IB, and IC respectively, where I is the incenter of a triangle ΔABC. What is the ratio P:Q:R?Mathematics — NUST Mock By IBAGRADS 5 — Question 16 of 200A. cos(A/2) : cos(B/2) : cos(C/2)B. sin(A/2) : sin(B/2) : sin(C/2)C. sec(A/2) : sec(B/2) : sec(C/2)D. csc(A/2) : csc(B/2) : csc(C/2)Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →