A sine curve
A sine curve
6 marks
TGM Original
Sketch y=3sin(-2x)-1 for 0 <= x <= 180, with x measured in degrees. Label endpoints and turning points. State the amplitude, period and range on this domain.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:\(A=3\); \(T=180^\circ\); \(-4\le y\le 2\); \(\text{key points:}\hspace{0.5em}(0,-1),\ (45,-4),\ (90,-1),\ (135,2),\ (180,-1)\).
Need help? Join our JC Math tuition classes.
Learn more