Trigonometry
Trigonometric functions
Trigonometric functions Trigonometric functions Unit Circle radius is 1 (Unity): Before we dive into the trigonometric functions, it is understood that the student already knows the following: -Basic knowledge of similar triangles. -Definition of circle. […]
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. […]
Geometrie analytique
Formules d’ Al-Kashi, Heron,Bretschneider, Brahmagupta et Coolidge
Laformule de Bretscheiner nous aide à trouver l’aire d’un quadrlatère qui n’est pas cyclique, ne pouvant autrement être inscrit dans un cercle, en utilisant seulement la longueur de ses quatres côtés et la mesure d’un angle […]
Geometrie analytique
Carré, du hall
Carré, du hall Problème 25: Trouver l’aire de la zone en bleu sur la figure suivante. La zone se trouve dans un carré de 8 mètres de côté. Les quatre trous sont cirulaires avec un diamètre de 600 millimètres […]
Algebra
Solved Samples
Exercise:MD03CE Hands-on: Pythagorean theorem: A right triangle has one of the legs 68 meters longer than the other. The semi-perimeter of the triangle is equal to 112 meters. Find the hypotenuse and the two legs. […]
Trigonometry
Elementary trigonometric functions
Elementary trigonometric functions After having introduced the first three trigonometric functions of a given angle , now we are going to introduce their reciprocals. Secant: This is the reciprocal of the noted .
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