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 0 and hence find the amplitude, phase and range of f 4 marks 0...

Answer1 SiDAKSin2x2cos2x 1 we know that Sin 2A 2 sin A Cos B beve Sin4x Sin 2 2 ...

Question 3 (a) Solve sin(4x)-sin (2x)+2 cos (2x) = 1, [4 marks] T (b) Find the...

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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 (

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Question 3 (a) Solve sin(4x)-sin (2x)+2 cos (2x) = 1, [4 marks] T (b) Find the...

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