If forces acting at the vertices of a triangle towards the circumcenter are in equilibrium, they are proportional to:

Type: MCQ • Marks: 1

A. 1 : 1 : 1

B. cos A : cos B : cos C

C. sin 2A : sin 2B : sin 2C

D. a : b : c

Explanation

By statics theorems of forces acting along lines to circumcenter, magnitudes are proportional to sin 2A, sin 2B, sin 2C.

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