change from rectangular to cylindrical coordinates. (let r ≥ 0 and 0 ≤ ≤ 2.) (a) (5 3 , 5, −9)

To change from rectangular to cylindrical coordinates for the point (5, 3, -9), we need to find the radius, angle, and height of the point.

To change from rectangular to cylindrical coordinates, we need to find the radius (r), the angle (θ), and the height (z) of the point in question.

Starting with the point (5, 3, -9), we can find the radius r using the formula:
r = √(x^2 + y^2)

In this case, x = 5 and y = 3, so
r = √(5^2 + 3^2)
r = √34

Next, we can find the angle θ using the formula:
θ = arctan(y/x)

In this case, y = 3 and x = 5, so

θ = arctan(3/5)
θ ≈ 0.5404

Finally, we can find the height z by simply taking the z-coordinate of the point, which is -9.

Putting it all together, the cylindrical coordinates of the point (5, 3, -9) are:
(r, θ, z) = (√34, 0.5404, -9)

So the long answer to this question is that to change from rectangular to cylindrical coordinates for the point (5, 3, -9), we need to find the radius, angle, and height of the point.

Using the formulas r = √(x^2 + y^2), θ = arctan(y/x), and z = z, we can calculate that the cylindrical coordinates of the point are (r, θ, z) = (√34, 0.5404, -9).

Know more about cylindrical coordinates here:

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