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[-] driving_crooner 8 points 2 months ago* (last edited 2 months ago)

Because before calculators, people used to had books with a buch of tables with the values of each function and their solution. So, having sen and csc given is easier than having to solve 1/sin

Edit: here's an excellent video about one of these books: https://youtube.com/watch?v=OjIwCOevUew

this post was submitted on 12 Aug 2024
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