simplify
〖(l_1 l_2 sin〖θ_2 〗+l_1 l_3 sin〖θ_3 〗+l_1 l_3 sin(θ_2+θ_3 ))〗^2
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simplify
〖(l_1 l_2 sin〖θ_2 〗+l_1 l_3 sin〖θ_3 〗+l_1 l_3 sin(θ_2+θ_3 ))〗^2
MathBot Answer:
MathBot is working on a solution to your problem.