<prompt> Tafuta curve iliyofafanuliwa na equationr cos theta sin theta.A MstariB MduaraC ParabolaD MviringoE HyperbolaIngiza herufi ya chaguo sahihi.  <response>: Tumepewa hiyo r cos theta sin theta. Kishar2 r cos theta r sin theta,hivyo x2 y2 x y. Tunaweza kuandika mlinganyo huu kamakushoto x - frac12 kulia2 kushoto y - frac12 kulia2 frac12. Kwa hivyo, grafu ni duara. Jibu ni textB.asyukubwa wa kitengo 2 cm;jozi moo t halisi halisi r cos t dhambi t; kurudi rcost, rsint;njia foo moo0;t halisi;kwa t 0; t pi 0.1; t t 0.1 foo foo--moot;chorafoo,nyekundu;chora-0.5,0--1.5,0;chora0,-0.5--0,1.5;lebor cos theta sin theta, 2,1, nyekundu;asy 