The set of values of x for which tan3x−tan2x1+tan3xtan2x=1 is-
use(tanA−tanB1+tanAtanB)=tan(A−B)∴(tan3x−tan2x1+tan3xtan2x)=1ortan(3x−2x)=1ortanx=1=tan(π4)x=nπ+(π4)