# Members of a truss are pin connected at joint O

The members of a truss are pin connected at joint O. Determine the magnitudes of $F_1$ and $F_2$ for equilibrium. Set ϴ = 60°.

Image from: Hibbeler, R. C., S. C. Fan, Kai Beng. Yap, and Peter Schiavone. Statics: Mechanics for Engineers. Singapore: Pearson, 2013.