Question: 5. (a) Write down the maximum and minimum values of the following expres- sions, giving the smallest positive or zero value of 0 for which

5. (a) Write down the maximum and minimum values of the following expres- sions, giving the smallest positive or zero value of 0 for which they occur: i. 2 - 5 sin 20. (4 marks) ii. 2 + cos 30 (4 marks)

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