y=cos3x(sin^3)x

well, I suppose maybe you want the derivative?

y' = cos 3 x (3 sin^2 x cos x) - 3 sin 3x (sin^3 x)

To understand the function y = cos(3x)sin^3(x), let's break it down into its components:

1. cos(3x): This is the cosine function of 3x. It represents the ratio of the adjacent side to the hypotenuse of a right triangle, where the angle is 3x (in radians).

2. sin^3(x): This is the sine function of x, raised to the power of 3. It represents the ratio of the opposite side to the hypotenuse of a right triangle, where the angle is x (in radians), raised to the power of 3.

Combining both components, we have y = cos(3x)sin^3(x). This means that the value of y is determined by the product of cos(3x) and sin^3(x) at any given x.

To evaluate or graph this function, you can follow these steps:

1. Choose a range of x-values over which you want to evaluate the function (e.g., -2π to 2π).

2. For each x-value in the chosen range, calculate cos(3x) and sin^3(x):

a. Calculate cos(3x) by substituting the x-value into the expression cos(3x).

b. Calculate sin^3(x) by first calculating sin(x) and then raising it to the power of 3.

3. Calculate the product of cos(3x) and sin^3(x) for each x-value. This will give you the corresponding y-value.

4. Plot the points (x, y) on a graph or create a table of values to visualize the function.

Note: Be careful with the order of operations. In the original equation, sin^3(x) should be calculated first before multiplying it with cos(3x).