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  2. Solution of triangles - Wikipedia

    en.wikipedia.org/wiki/Solution_of_triangles

    Ebook version, in PDF format, full text presented. Trigonometry by Alfred Monroe Kenyon and Louis Ingold, The Macmillan Company, 1914. In images, full text presented. Google book. Spherical trigonometry on Math World. Intro to Spherical Trig. Includes discussion of The Napier circle and Napier's rules

  3. Kathleen Ollerenshaw - Wikipedia

    en.wikipedia.org/wiki/Kathleen_Ollerenshaw

    Dame Kathleen Ollerenshaw, To Talk of Many Things: an autobiography, Manchester Univ Press, 2004, ISBN 0-7190-6987-4 Kathleen Ollerenshaw, David S. Brée: Most-perfect Pandiagonal Magic Squares: their construction and enumeration, Southend-on-Sea: Institute of Mathematics and its Applications, 1998, 186 pages, ISBN 0-905091-06-X

  4. GCSE - Wikipedia

    en.wikipedia.org/wiki/GCSE

    A grade 8 is also equivalent to an A*, however the grade 9 is the top end of the A*. The former C grade is set at grade 4 (known as a 'standard pass') and grade 5 (considered a 'strong pass') under the numerical scheme. Although fewer qualifications have tiered examinations than before, the tiering system still exists.

  5. Education in Ghana - Wikipedia

    en.wikipedia.org/wiki/Education_in_Ghana

    They offer a three-year curriculum that leads to the Diploma in Basic Education (DBE). [103] The curriculum is described as "uniform" and with a "national focus" even if CoE are present in every Ghanaian region. [103] The final examinations granting the DBE are conducted by the public University of Cape Coast's Institute of Education. [103]

  6. Dibasic ester - Wikipedia

    en.wikipedia.org/wiki/Dibasic_ester

    Dibasic ester or DBE is an ester of a dicarboxylic acid.Depending on the application, the alcohol may be methanol or higher molecular weight monoalcohols. Mixtures of different methyl dibasic esters are commercially produced from short-chain acids such as adipic acid, glutaric acid, and succinic acid. [1]

  7. Education in Greece - Wikipedia

    en.wikipedia.org/wiki/Education_in_Greece

    The Grade 2 subjects contributes only to the half of a full Grade 3 Specialty, and do not constitute a separate qualification. Until a maximum age up to 20-year-old lyceum graduates are exempted from all core subjects from Grades 2 and 3 of the EPAL High School and they can be directly admitted to EPAL Grade 2, meaning these students when will ...

  8. Angle trisection - Wikipedia

    en.wikipedia.org/wiki/Angle_trisection

    Then by the triple-angle formula, cos ⁠ π / 3 ⁠ = 4x 3 − 3x and so 4x 3 − 3x = ⁠ 1 / 2 ⁠. Thus 8x 3 − 6x − 1 = 0. Define p(t) to be the polynomial p(t) = 8t 3 − 6t − 1. Since x = cos 20° is a root of p(t), the minimal polynomial for cos 20° is a factor of p(t). Because p(t) has degree 3, if it is reducible over by Q then ...

  9. Science education - Wikipedia

    en.wikipedia.org/wiki/Science_education

    Science education is the teaching and learning of science to school children, college students, or adults within the general public. The field of science education includes work in science content, science process (the scientific method), some social science, and some teaching pedagogy.