![The volume of a cylinder is 90 pi cm^3 . If the radius is 3cm, what is the height of the cylinder? - brainly.com The volume of a cylinder is 90 pi cm^3 . If the radius is 3cm, what is the height of the cylinder? - brainly.com](https://us-static.z-dn.net/files/d78/32379b986b6fa8f2ae86a3ddccf44f31.png)
The volume of a cylinder is 90 pi cm^3 . If the radius is 3cm, what is the height of the cylinder? - brainly.com
![UV-visible spectra of polyimide films: (a) PI-DAn-90 (spin coated, 2 m... | Download Scientific Diagram UV-visible spectra of polyimide films: (a) PI-DAn-90 (spin coated, 2 m... | Download Scientific Diagram](https://www.researchgate.net/publication/285281029/figure/fig4/AS:614328868823064@1523478824451/UV-visible-spectra-of-polyimide-films-a-PI-DAn-90-spin-coated-2-m-thick-b.png)
UV-visible spectra of polyimide films: (a) PI-DAn-90 (spin coated, 2 m... | Download Scientific Diagram
![Why are the x-values [-pi/2, pi/2] here? I thought pi/2 meant 90 degrees on a unit circle. I'm confused. : r/calculus Why are the x-values [-pi/2, pi/2] here? I thought pi/2 meant 90 degrees on a unit circle. I'm confused. : r/calculus](https://preview.redd.it/why-are-the-x-values-pi-2-pi-2-here-i-thought-pi-2-meant-90-v0-5ndduwasnjfa1.jpg?width=1080&crop=smart&auto=webp&s=412bccff8ac09523d4e7de52017014baf946b46d)
Why are the x-values [-pi/2, pi/2] here? I thought pi/2 meant 90 degrees on a unit circle. I'm confused. : r/calculus
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