cos and sin equation
cos(x)^2 + sin(x)^2 = 1
A cosine equation is an equation that contains a cosine function (cos) of an angle. Similarly, a sine equation is an equation that contains a sine function (sin) of an angle.
The general form of a cosine equation is of the form:
y = A cos (Bx + C) + D
where A is the amplitude of the function (the distance from the middle of the curve to its maximum or minimum value), B is the frequency of the function (how many cycles occur in a given interval), C is the phase shift (how much the function is moved horizontally), and D is the vertical shift (how much the function is moved vertically).
Similarly, the general form of a sine equation is of the form:
y = A sin (Bx + C) + D
The difference between the two equations is the use of the sine or cosine function.
Both equations can be used to model various oscillating phenomena in science and engineering. For example, the motion of a pendulum or a vibrating guitar string can be modeled using either a sine or cosine function.
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