O-LevelAdditional MathematicsTrigonometry4037/12 · May/June 2011 · Q35 Marks
The figure shows the graph of y= k+ m sin px for 0 ≤ x ≤ π, where k, m and p are positive constants. [Figure 3.1]
- (a)Complete the following statements. k=____________ m=____________ p=____________[3]
- (b)(i)the amplitude of g,[1]
- (b)(ii)the period of g in terms of π.[1]
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Mark scheme
Marking points from the official mark scheme (May/June 2011). The mark or mark type is shown in brackets.
- (a) k = 2, m = 3, p = 1; B3 (B1 for each)
- (b) (i) 5; B1
- (ii) 2π/3; B1
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