How do you graph #y = sin4x - 4 sin x#?

1 Answer
A. S. Adikesavan
Jan 26, 2017

See explanation and graphs.

Explanation:

Separately the periods for sin 4x and sin x are #pi/2 and 2pi#.

The LCM = #2pi# is the period for the compounded oscillation

#y = sin 4x-4 sin x#.

The second not-to-scale graph is for just one period #x in [-pi, pi]#.

graph{sin 4x - 4 sin x [-40, 40, -20, 20]}

graph{sin 4x - 4 sin x [-3.14, 3.14, -6.28, 6.28]}

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