Academics – Mathematics : 2017/OCT/05
Question
Q5. a) Draw the graph of y = 2sinA + 3cosA in the range ,0° ≤ A ≤ 180°inintervals of 20°. (10)
b) Using the graph drawn in Q5(a), determine EACH of the following:
i) the value of A when y = 0;(2)
ii) the maximum value of y;(2)
iii) the value of A at the maximum value of y. (2)
Asked in Year/Month/Ques No.
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