Hello! how to do all the question ? thanks

MA1521 AY1516S1 Revision (Midterm Test) Question 5 [16 marks] (a) Find the maximal domain of the function f(x)=In(2sin x-1)+2sin-(Inx-1). [4] (b) The function f is defined on (0, co) by f(x)=xte" -3e-2x -2 The diagram below shows part of the graph of f that meets the y - axis at A (0, a) and meets the x - axis at B (6, 0). y = f(x) X B(/3,0) A(O. () (i) Find the value of CS Scanned with CamScanner