MathematicsMedium249×since 2002Q2369A line makes the same angle θ\thetaθ, with each of the xxx and zzz axis. If the angle β \beta \,β, which it makes with y-axis, is such that sin2β=3sin2θ,\,{\sin ^2}\beta = 3{\sin ^2}\theta ,sin2β=3sin2θ, then cos2θ{\cos ^2}\thetacos2θ equals :A25{2 \over 5}52B15{1 \over 5}51C35{3 \over 5}53D23{2 \over 3}32Check answerSkip