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Is the sentence true or false?
The roots or zeros of y = cos x is at the multiples of π.
True
False
The roots or zeros of y = sin x is at the multiples of π.
The cos graph passes the x-axis as cos x = 0 there.
true
false
What is the amplitude of the sinusoidal function f(x)=8sin(x)f(x)=8\sin(x)f(x)=8sin(x) ?
8
7
4
What is the amplitude of the function f(x)=8cos(x)f(x)=8\cos(x)f(x)=8cos(x) ?
What does graph represents?
Sine function
cosine function
The sin graph passes the x-axis as sin x = 0 there.
What is the amplitude of the sinusoidal function f(x)=−4sin(x)f(x)=−4\sin(x)f(x)=−4sin(x) ?
What is the amplitude of the function f(x)=−4cos(x)f(x)=−4\cos(x)f(x)=−4cos(x) ?
Determine the period of the function
f(x)=sin(πx6)f(x)=\sin(\frac{\pi x}{6})f(x)=sin(6πx)
6
12
It is done.