1.2 Mathematics/Grade 11 QUESTION 1 1.1 Assignment/Term 2 In the diagram below P(x; √3) is a point on a Cartesian plane such that OP 2. Q(a; b) is a point such that TÔQ = α and OQ = 20. PÔQ = 90° 2 P(x:√√3) Soh √3 a 20 T 1.1.1 Calculate the value of x 1.1.2 Hence, calculate the size of a 1.1.3 Determine the coordinates of Q Q(a; b) Consider the functions f(x) = cos3x and g(x) = sinx for x = [-90°; 180°] 1.2.1 Solve for x if f(x) = g(x) 1.2.2 Sketch the graphs of ƒ and g on the same set of axes on the DIAGRAM SHEET provided for x = [-90°; 180°]