A sine curve
A sine curve
6 marks
TGM Original
Sketch y=2sin(32x)+1 for 0 <= x <= 240, with x measured in degrees. Label endpoints and turning points. State the amplitude, period and range on this domain.
Solution:
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Answer:\(A=2\); \(T=240^\circ\); \(-1\le y\le 3\); \(\text{key points:}\hspace{0.5em}(0,1),\ (60,3),\ (120,1),\ (180,-1),\ (240,1)\).
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