Trigonométrie
Fonctions hyperboliques
Fonctions hyperboliques Nous avons déjà utilisé les fonctions hyperboliques dans certains de nos passages. Ce qui suit n’est qu’un sommaire qui pourra nous permettre d’utiliser ces fonctions dans des passages qui suivront. Nous examinerons leurs […]
Algebra
Project bonus 2: Quadratics with parameters
Project bonus 2: Quadratics with parameters Project bonus 2: Quadratics with parameters Given the following equation: 1. What values of make this equation, an equation with 2 roots? 2. Find the values of so that […]
Trigonometry
The passing Airplane
The passing Airplane The passing Airplane A navigator on board a ship at anchormeasures the angle of inclination of 28 degrees to an approaching airplane at exactly 10:59:50Hrs. The altitude of the plane at that […]
Trigonometry
Spherical trigonometry
Spherical trigonometry The spherical trigonometry is the branch of spherical geometry which deals with spherical triangles defined by great circles on the sphere. It allows us to calculate the trigonometric functions of the sides and […]
Trigonometry
Trigonometric functions: Tangent of an angle
Trigonometric functions: Tangent of an angle We are following our introduction to the trigonometric functions. It was necessary to go through some reminders in geometry to be able to understand the next topics in Trigonometry. […]
Analytic geometry
Al-Kashi, Heron,Bretschneider’s, Brahmagupta’s and Coolidge formulas
The Bretscheiner’s formula helps find the area of a non-cyclic quadrilateral, that cannot be inscribed in a circle, using only side lengths and possibly one angle measure or one diagonal length. After the Bretschneider’s formula, […]
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