Geometrie analytique
Cercles inscrits, du hall
Cercles inscrits, du hall Problème 23: Un cercle de centre est inscrit dans le carré ABCD, de côté 16 mètres. Sur la figure qui suit,un cercle plus petit de centre qui est tangent au cercle […]
Trigonometry
Hyperbolic functions
Hyperbolic functions We have used some hyperbolic functions relations in some of our chapters. This is a summary of these functions to enable us to use them in future chapters. We’ll go through their definitions […]
Algebra
Selected Solutions
Selected Solutions The following is a sample of many of the exercises we plan to solve, to show how some of the seemingly difficult problems can be easily solved. Problem 1: Solve for
Trigonometry
Sum and difference formulas
Sum and difference formulas We have seen in the past cases where we had to use these sum and difference formulas. At this stage, we are now exploring them to be able to use them […]
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, […]
Analytic geometry
Challenge 1 Spring of 2017
Promoting the study of Geometry Joining forces with institut-delbol.com, mouctar.org is publishing the first challenge. This challenge has two sections and points are calculated based on the level of difficulty for each section and question. Prize is […]
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