Geometrie analytique
Distance entre une droite et un point
Distance entre une droite et un point Dans beaucoup de cas, nous aurons besoin de trouver la plus courte distance entre une droite et un point extérieur à cette droite. Cette distance n’est autre que la […]
Trigonometry
Selected Trigonometry Exercises
Selected Trigonometry Exercises These are the selected trigonometry exercises and problems to solidify the concepts shown in this site. Exercise 1: A surveyor observes that at a point , located on level ground a distance […]
Algebra
An introduction to Complex numbers
An introduction to Complex numbers Complex numbers are numbers in the form of . They are widely used and make lengthy solutions very short in various fields like Electrical Engineering, Navigation, etc… In this form, […]
Trigonometry
Unit Circle, important angles
Unit Circle, important angles Now that we have seen some of the trigonometric functions, it is time to start putting elements together to get ready for solving trigonometric problems. In this part of our trigonometry adventure, we […]
Analytic geometry
Challenge 1 Spring of 2017: Trapezoid Solution
Promoting the study of Geometry Joining forces with institut-delbol.com, mouctar.org is publishing the first challenge. The callenge second part is now solved. No more answers will be accepted. There was no winner for this challenge.
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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