Prosthaphaeresis formula - trigonometric identity relating sums of trigonometric functions to products of trigonometric functions. Article “Formule di prostaferesi” in Italian Wikipedia has 13.2 points for quality (as of July 1, 2025). The article contains 1 references and 10 sections.
Since the creation of article “Formule di prostaferesi”, its content was written by 34 registered users of Italian Wikipedia and edited by 34 registered Wikipedia users in all languages.
The article is cited 47 times in Italian Wikipedia and cited 47 times in all languages.
The highest Authors Interest rank from 2001:
The highest popularity rank from 2008:
There is 1 language version for this article in the WikiRank database (of the considered 55 Wikipedia language editions).
The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).
| Best Rank | Italian: #8578 01.2010 |
Global: #250010 01.2010 |
| Best Rank | Italian: #7883 06.2013 |
Global: #267206 06.2013 |
On 28 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Ali Khamenei, Iran, Ruhollah Khomeini, Jeffrey Epstein, Supreme Leader of Iran, Mohammad Reza I of Iran, 2026 Israeli–United States strikes on Iran, Neil Sedaka, Masoud Pezeshkian, Resident Evil Requiem.
In Italian Wikipedia the most popular articles on that day were: Ali Khamenei, Andrea Bocelli, Sayf, Sal Da Vinci, Festival di Sanremo 2026, Ditonellapiaga, Bambole di pezza, Pooh, Samurai Jay, Giorgia Cardinaletti.
The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information
$$Quality=1/c∑↙{i=1}↖c nm_i-RS=1/5(11.84+0.59+5.26+43.48+4.91)$$
where:
The results of the calculations may be slightly different because of rounded values of normalized metrics in formulas
