Mouctar Online – Math Site

Areas of circles and triangles

September 16, 2016 0

Areas of circles and triangles Perimeter of a triangle: The perimeter of a triangle is the sum of its 3 sides. In the following figure we have: is the of the triangle.

DIVISIBILITY

April 22, 2020 0

DIVISIBILITY When solving complex problems, we can encounter a situation where we want to know if a large number is divisible by our regular digits. In higher level courses in this site, we may use […]

Selections

May 26, 2017 0

Selections Un échantillon des types d’exercices que nous entendons résoudre, pour montrer comment des simples problèmes peuvent paraître difficiles. Problème 1: Résoudre en

Trapèze, du hall

December 26, 2016 0

Trapèze, du hall Problème 24: Le trapèze isocèle, ABCD, ci-dessous a les deux bases qui mesurent 8 mètres et 18 mètres. 1. Trouver l’aire du cercle inscrit.

L’avion qui survole

March 17, 2025 0

MD05CF: L’avion qui survole, Trigonométrie Un navigateur à bord d’un navire au mouillage mesure l’angle inclinaison d’un avion qui approche et trouve 28 degrés. La measure a été faite à 10h 59m 50s. L’altitude de […]

Dérivée

August 22, 2017 0

Dérivée Après le petit aperçu sur les calculs de , nous pouvons maintenant aborder les calculs des dérivées. En géométrie, quand on calcule le coefficient directeur d’une tangente à une courbe donnée, la vitesse de changement […]

Trigonométrie

L’avion qui survole

MD05CF: L’avion qui survole, Trigonométrie Un navigateur à bord d’un navire au mouillage mesure l’angle inclinaison d’un avion qui approche et trouve 28 degrés. La measure a été faite à 10h 59m 50s. L’altitude de [...]
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 [...]
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. [...]
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 .
Trigonometry

Graphs of Elementary Trigonometric Functions

Graphs of Elementary Trigonometric Functions To see the functions in a clear manner, we’ll graph the trigonometric functions on the same graph as their reciprocals This means that the curve and the curve are graphed [...]

Intersecting curves. Simultaneous Equations.