Question: A pendulum can be modelled by the equation ''ml 2 + mgl' -sin() =fsin(rtao) It has initial conditions (0)=0, Using the perturbation method solve the

A pendulum can be modelled by the equation

θ''ml2+ mglθ' -sin(θ) =fsin(rtao)

It has initial conditions (0)=0,

Using the perturbation method solve the equation of motion.

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