State the quadrant in which thita lies if sin thita {0 and tan thita} 0

My question is not related your answer😥

sinθ = y/r so sinθ < 0 when y<0: QIII,IV

tanθ = y/x so tanθ > 0 when x and y have the same sign: QI,III
Looks like QIII is the one you want