C-08-Q114mediumsingle_mcqIf cosA=13\cos A = \dfrac{1}{3}cosA=31 and cosA, sinA\cos A,\ \sin AcosA, sinA have the same sign, then sinA\sin AsinA equals —a223\dfrac{2\sqrt{2}}{3}322b−223-\dfrac{2\sqrt{2}}{3}−322c13\dfrac{1}{\sqrt{3}}31d−13-\dfrac{1}{\sqrt{3}}−31