AM-914

Graphs of sine and cosine

A Math · Secondary 3 · Medium · Graphs of sine and cosine

Given that

y = 3\sin(2x) - 1

for

0^\circ \le x \le 360^\circ

, what are the amplitude and period of the graph of

y

?

Amplitude 3, period $180^\circ$
Amplitude 3, period $360^\circ$
Amplitude 2, period $180^\circ$
Amplitude 4, period $90^\circ$

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