𝑥=3+2sin(3𝑡)
Solution
The given equation is in the form of a sinusoidal function. Here, 'x' is the dependent variable and 't' is the independent variable. The equation represents a sinusoidal wave with a phase shift.
The general form of a sinusoidal function is: y = A sin(B(x - C)) + D
Where:
- A is the amplitude of the wave (the peak deviation of the function from zero).
- B is the frequency of the wave (how often the wave repeats).
- C is the phase shift (how far the function is shifted horizontally from the origin).
- D is the vertical shift (how far the function is shifted vertically from the origin).
In the given equation x = 3 + 2sin(3t),
- The amplitude of the wave is 2 (the coefficient of the sine function).
- The frequency of the wave is 3 (the coefficient of the variable 't').
- There is no phase shift as there is no constant being added or subtracted inside the sine function.
- The vertical shift is 3 (the constant being added to the sine function).
So, this equation represents a sine wave with an amplitude of 2, a frequency of 3, no phase shift, and a vertical shift of 3.
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