Let fcuy)= c va if (a= (o,0) and 1-cos(a+y) +y n)= 4 y then fis s canhnuou dt (0,0) f i coinuou rvemyudhere exce pt at lo,0 i i contmudun out coo) is is conthnu

Let fCuy)= c Va if (a= (o,0) and 1-COS(a+y) +y N)= 4 Y then fis S Canhnuou dt (0,0) f i coinuou RVeMyudhere exce pt at lo,0 i i contmuduN out Coo) is is Conthnua eveywhee