C-09-Q147mediumsingle_mcq△ABC\triangle ABC△ABC এ ∠B=90∘, AB=8, BC=6\angle B=90^\circ,\;AB=8,\;BC=6∠B=90∘,AB=8,BC=6 হলে sinC=\sin C=sinC= ?a610\dfrac{6}{10}106b810\dfrac{8}{10}108c68\dfrac{6}{8}86d106\dfrac{10}{6}610