sin 1 2 and cos - 3 2 what is the value of - WAEC Mathematics 1989 Questionsinθ = 1/2 and cosθ = -√3/2, what is the value of θ?A30 0B60 0C90 oD120 ocorrect option: ePlease share this, thanks: Add your answerNotice: Posting irresponsibily can get your account banned!Login to commentNo responses