Question: QUESTION 4 Given /(x) = 3sinx-5cosx. (a) Express ((x) in the form Rsin(x -a), where R > 0 and OSas (5 marks] Hence. (i) solve

QUESTION 4 Given /(x) = 3sinx-5cosx. (a) Express ((x) in the
form Rsin(x -a), where R > 0 and OSas (5 marks] Hence.

QUESTION 4 Given /(x) = 3sinx-5cosx. (a) Express ((x) in the form Rsin(x -a), where R > 0 and OSas (5 marks] Hence. (i) solve the equation 3sin x -5cos x= | for -ASxSa. [4 marks] (i) find the maximum and minimum values of [4 marks] 6-3sin x + 5cosx (b) By using / = tan -. find the values of r when /(x) =| for 05x 52. [7 marks]

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