Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and the Yahoo Answers website is now in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
Promoted
Striker
Lv 5
What are the cylindrical coordinates of the point whose rectangular coordinates are (x=5, y=3, z= 3)?
r = ?
Theta = ?
z = 3
1 Answer
Relevance
- JohnLv 48 years agoFavorite Answer
x = rcos(theta)
y = rsin(theta)
z = z
z = 3
x^2 + y^2 = r^2, so r^2 = 25 + 9 = 34, so r = sqrt(34)
theta = arctan(y/x) = arctan(3/5)
So, you have your r, theta, and z. Hope this helps.
Still have questions? Get your answers by asking now.