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v(v+1)y(x)+y″(x)+cot(x)y′(x)=0 ✓ Mathematica : cpu = 0.129742 (sec), leaf count = 20
{{y(x)→c1Pv(cos(x))+c2Qv(cos(x))}} ✓ Maple : cpu = 0.288 (sec), leaf count = 45
{y(x)=c2hypergeom([v2+1,−v2+12],[32],cos2(x))cos(x)+c1hypergeom([−v2,v2+12],[12],cos2(x))}
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