(a) -- Equilibrium Solutions

> EQUILeqns := { rhs( ode1 ) = 0, rhs( ode2 ) = 0 } ;

[Maple Math]

> EQUILsoln := solve( EQUILeqns, VAR ) ;

[Maple Math]

The equilibrium solutions are (0,0) and all points on the unit circle ( x^2+y^2=1).

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