Q: If tanθ = -4/3, then sinθ is
(A) 4/5
(B) –4/5
(C) 3/5
(D) none of these
Sol. The negative value of tanθ implies that θ is lying either in the IInd or IVth quadrant where sinθ takes positive and negative sign respectively.
Hence (A) and (B) are the correct answers.