introduction to object oriented programming 6

A sinusoid or sine wave is a mathematical function of the form

𝑦(𝑡) = 𝐴 sin(2𝜋𝑓𝑡 + 𝑡0) + 𝑦0,

with four parameters:

• 𝐴 denotes the amplitude of the sine wave (default value: 1).
• 𝑓 denotes the frequency of the sine wave in Hz (default value: 1/2𝜋).
• 𝑡0 denotes the amount of phase (horizontal) shift of the sine wave (default value: 0).
• 𝑦0 denotes the y-offset or vertical shift of the sine wave (default value: 0).Create a class called Sinusoid with four double data fields representing the four parameters. Additionally, create the following:

• No-argument constructor Sinusoid() that creates a sinusoid with the four default parameter values.
• Constructor Sinusoid(double newAmplitude, double newFreq, double newPhase, double newYOffset) that creates a sinusoid with the user-specified parameter values.
• Method double evalAt(double t) that evaluates the y value of the sinusoid at time t.
• Method double[] evalAt(double[] tArray) that evaluates the y values of the sinusoids at thetimes in array tArray.
• Method void printFunction() that prints the functional form of the sinusoid to the console with2 decimal places for each parameter, e.g. y(t) = 2.00sin(6.28t + 0.50) + 0.10 for the sinusoid with amplitude 2, frequency 1, phase 0.5, and y-offset 0.1.Submit your source code in a file named Sinusoid.java! Do not include a main() method in your submission!

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