![calculus - "Discovering" the hyperbolic functions $\cosh(x)$ and $\sinh(x)$ - Mathematics Stack Exchange calculus - "Discovering" the hyperbolic functions $\cosh(x)$ and $\sinh(x)$ - Mathematics Stack Exchange](https://i.imgur.com/XGCZRZg.png)
calculus - "Discovering" the hyperbolic functions $\cosh(x)$ and $\sinh(x)$ - Mathematics Stack Exchange
![A telephone line hangs between two poles at 14 m apart in the shape of the catenary y = 40 cosh (x/40) - 35, where x and y are measured in meters. A telephone line hangs between two poles at 14 m apart in the shape of the catenary y = 40 cosh (x/40) - 35, where x and y are measured in meters.](https://homework.study.com/cimages/multimages/16/untitled8422811213670022466.png)
A telephone line hangs between two poles at 14 m apart in the shape of the catenary y = 40 cosh (x/40) - 35, where x and y are measured in meters.
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A COS Store in Hong Kong. COS Collection of Style is the Upscale Brand of Swedish Retailer H&M Editorial Photo - Image of collection, fashion: 110617706
![Charcoal Gray H&M Jeans, Heather Gray COS Sweaters, Silver Zara Heels | "Grey total look" by isabelselles | Chictopia Charcoal Gray H&M Jeans, Heather Gray COS Sweaters, Silver Zara Heels | "Grey total look" by isabelselles | Chictopia](http://images2.chictopia.com/photos/isabelselles/6719972333/charcoal-gray-h-m-jeans-heather-gray-cos-sweater-silver-zara-heels_400.jpg)
Charcoal Gray H&M Jeans, Heather Gray COS Sweaters, Silver Zara Heels | "Grey total look" by isabelselles | Chictopia
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