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Result 161 to 180 of 490 total

The history of one definition: Teaching trigonometry in the US before 1900. (English)
Int. J. Hist. Math. Educ. 6, No. 2, 55-70 (2011).
Classification: A30 G60 U20
161
Approximation methods for $π$ in grade 4 of secondary schools. (Méthodes d’estimation de $π$ pour les élèves de 4e secondaire.) (French)
Losanges, No. 14, 3-6 (2011).
Classification: G40 G60 F50
162
The sinus. (De sinus.) (Dutch)
Euclides 86, No. 6, 250-252 (2011).
Classification: G60 D40 D30 Reviewer: Martin Winter (Vechta)
163
A trip from trig to triangle. (English)
Math. Spectr. 44, No. 1, 19-23 (2011).
Classification: G60 G40
164
Functions satisfying two trigonometric identities. (English)
Math. Spectr. 44, No. 1, 12-14 (2011).
Classification: G60 I70 I20
165
Nine different manners of calculation of $tg\frac{5π}{24}$. (Devet raznih načina izračunavanja $tg\frac{5π}{24}$.) (Croatian. English summary)
MAT-KOL (Banja Luka) 17, No. 2, 9-16 (2011).
Classification: G60 G40
166
Maximum way off. (Maximal daneben.) (German)
Wurzel 45, No. 8, 180-182 (2011).
Classification: G60 M50 I40
167
Six proofs of a well-known trigonometric inequality. (Sechs Beweise einer bekannten trigonometrischen Ungleichung.) (German)
Wurzel 45, No. 8, 176-179 (2011).
Classification: G60 H30 E50
168
Different aspects of intelligence in maths lessons. (Meervoudige intelligentie in de wiskundeles.) (Dutch)
Euclides 86, No. 7, 284-285 (2011).
Classification: C40 G60 Reviewer: Martin Winter (Vechta)
169
Mollweide’s formula in teaching trigonometry. (English)
Teach. Math. Appl. 30, No. 2, 70-74 (2011).
Classification: G60
170
Designing representations of trigonometry instruction to study the rationality of community college teaching. (English)
ZDM, Int. J. Math. Educ. 43, No. 1, 41-52 (2011).
Classification: G60 C70 D40 D20
171
Maximal outboxes of quadrilaterals. (English)
Int. J. Math. Educ. Sci. Technol. 42, No. 4, 534-540 (2011).
Classification: G70 G60 G90
172
Squares circumscribe triangles. (Quadrate umschreiben Dreiecke.) (German)
MNU, Math. Naturwiss. Unterr. 64, No. 1, 24-26 (2011).
Classification: G40 G60
173
Geometrical proof of Machin, Rutherford, and Dase, in a single diagram. (English)
Math. Sch. (Leicester) 39, No. 5, 37-38 (2010).
Classification: G60 E50
174
A square peg in a round hole. (English)
Math. Sch. (Leicester) 39, No. 5, 11-13 (2010).
Classification: G40 G60 G70 D50
175
On the use of technologies for teaching trigonometry: teaching strategies for meaningful learning construction. (O uso de tecnologias para ensino de trigonometria: estratégias pedagógicas para a construção significativa da aprendizagem.) (Portuguese. English summary)
Educ. Mat. Pesqui. 12, No. 3, 548-577 (2010).
Classification: G60 U70 D70
176
A geometrical proof of Machin’s formula. (English)
Math. Sch. (Leicester) 39, No. 4, 40-41 (2010).
Classification: F50 G60 G40 E50 A30
177
The geometry of the triangle, the software for dynamic geometry and the Internet: a potential integration. (Spanish)
Gac. R. Soc. Mat. Esp. 13, No. 3, 557-569 (2010).
Classification: G40 G60 U70
178
Maximizing the area of a sector with fixed perimeter. (English)
Ohio J. Sch. Math. 2010, No. 62, 17-23 (2010).
Classification: G60 G40 N60 N30
179
A Pythagorean-like theorem. (English)
Ohio J. Sch. Math. 2010, No. 61, 31-35 (2010).
Classification: G40 G60 E50
180

Result 161 to 180 of 490 total

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