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  2. Gradian - Wikipedia

    en.wikipedia.org/wiki/Gradian

    [18] [19] Today, the degree, ⁠ 1 / 360 ⁠ of a turn, or the mathematically more convenient radian, ⁠ 1 / 2 π ⁠ of a turn (used in the SI system of units) is generally used instead. In the 1970s – 1990s, most scientific calculators offered the gon (gradian), as well as radians and degrees, for their trigonometric functions. [23]

  3. School timetable - Wikipedia

    en.wikipedia.org/wiki/School_timetable

    When timetables are constructed by hand, the process is often 10% mathematics and 90% politics, [2] leading to errors, inefficiencies, and resentment among teachers and students." [1] For the simplest school timetable, such as an elementary school, these conditions must be satisfied: [3] a teacher cannot teach two courses in the same time slot

  4. File:Degree-Radian Conversion.svg - Wikipedia

    en.wikipedia.org/wiki/File:Degree-Radian...

    Date/Time Thumbnail Dimensions User Comment; current: 00:15, 9 February 2009: 700 × 700 (188 KB): Inductiveload {{Information |Description={{en|1=A chart for the conversion between degrees and radians, along with the signs of the major trigonometric functions in each quadrant.}} |Source=Own work by uploader |Author=Inductiveload |Date=2009/02

  5. Exact trigonometric values - Wikipedia

    en.wikipedia.org/wiki/Exact_trigonometric_values

    Additionally, an angle that is a rational multiple of radians is constructible if and only if, when it is expressed as / radians, where a and b are relatively prime integers, the prime factorization of the denominator, b, is the product of some power of two and any number of distinct Fermat primes (a Fermat prime is a prime number one greater ...

  6. Son Dead, Mother in Critical Condition After Home Invasion in ...

    www.aol.com/son-dead-mother-critical-condition...

    "The jewelry box is key in that it shows that they were in the house, they committed a burglary, a robbery, a home invasion, and we have the evidence of that in the jewelry box," Steele said, per ...

  7. Mnemonics in trigonometry - Wikipedia

    en.wikipedia.org/wiki/Mnemonics_in_trigonometry

    Signs of trigonometric functions in each quadrant. All Students Take Calculus is a mnemonic for the sign of each trigonometric functions in each quadrant of the plane. The letters ASTC signify which of the trigonometric functions are positive, starting in the top right 1st quadrant and moving counterclockwise through quadrants 2 to 4.

  8. The best Kate Spade Outlet Cyber Monday deals — shop our ...

    www.aol.com/lifestyle/the-best-kate-spade-outlet...

    During Kate Spade Outlet's sale, you can get an extra 25% off the current 70% off when you use code: CYBER. Shop now, before the sale ends tonight!

  9. Why Kennedy Ryan calls her romance books 'Trojan horses' - AOL

    www.aol.com/why-kennedy-ryan-calls-her-210000411...

    Kennedy Ryan just rereleased her 2021 book "Reel" with a new cover and epilogue. She tells TODAY.com about her publishing journey and the importance of the romance genre.