AM-1019

Graphs of sine and cosine

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

The function

y = 3\cos x - 4

is defined for

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

.

State the amplitude and the period of the function.

Amplitude $=3$ , Period $=360^\circ$
Amplitude $=4$ , Period $=360^\circ$
Amplitude $=3$ , Period $=180^\circ$
Amplitude $=4$ , Period $=180^\circ$

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