49. a two-dimensional vector a(t) is given by a(t) =i sin 2t +j cos 3t. which of the following graphs best describes the locus of the tip off the vector, as t i

49. A two-dimensional vector A(t) is given by A(t) =i sin 2t +j cos 3t. Which of the following graphs best describes the locus of the tip off the vector, as t IS varied from 0 to 2n? [TIFR-2013] 05 EER SPER