![If the sum of (n-1) terms of the series `sin(pi/n)+sin((2pi)/n)+sin((3pi)/n)+.....`is equal to - YouTube If the sum of (n-1) terms of the series `sin(pi/n)+sin((2pi)/n)+sin((3pi)/n)+.....`is equal to - YouTube](https://i.ytimg.com/vi/piL8LjzuOWU/maxresdefault.jpg)
If the sum of (n-1) terms of the series `sin(pi/n)+sin((2pi)/n)+sin((3pi)/n)+.....`is equal to - YouTube
![Linking the long-term variability in global wave energy to swell climate and redefining suitable coasts for energy exploitation | Scientific Reports Linking the long-term variability in global wave energy to swell climate and redefining suitable coasts for energy exploitation | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-022-18935-w/MediaObjects/41598_2022_18935_Fig1_HTML.png)
Linking the long-term variability in global wave energy to swell climate and redefining suitable coasts for energy exploitation | Scientific Reports
![साबित करें कि `sin. ( pi)/(5) sin . ( 2pi)/(5) sin . ( 3pi)/( 5) sin . ( 4pi)/( 5) =(5)/( 16)` - YouTube साबित करें कि `sin. ( pi)/(5) sin . ( 2pi)/(5) sin . ( 3pi)/( 5) sin . ( 4pi)/( 5) =(5)/( 16)` - YouTube](https://i.ytimg.com/vi/NKcps3NmVPw/maxresdefault.jpg)