Question: Question 3 (a) Solve sin(4x)-sin (2x)+2 cos (2x) = 1, [4 marks] T (b) Find the domain and range of f(x) = 3 sin

Question 3 (a) Solve ( sin (4 x)-sin (2 x)+2 cos (2 x)=1, quad 0<x<pi ) [4 marks] (b) Find the domain and range of (

Question 3 (a) Solve sin(4x)-sin (2x)+2 cos (2x) = 1, [4 marks] T (b) Find the domain and range of f(x) = 3 sin (2x-5)+- [2 marks] 6 (c) Express f(x)=27 sin (3x)-3 cos (3x)+2 of the form Acos (3x+a) + B, A

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