Mouctar Online – Math Site

Le Cercle

September 14, 2016 0

Le Cercle Un cercle est l’ensemble de tous les points du plan qui sont equidistants d’un point donné appelé . Nous avions déjà introduit le cercle trigonométrie. -Le est un segmentqui joint le centre du […]

Radical Expressions and Exponential Notations

April 22, 2020 0

Radical Expressions and Exponential Notations Exponential notations help us express long expressions into shorthand notations. For example if we have we can see that we are multiplying 5 by itself 6 times. This is easy […]

Selected Trigonometry Exercises

May 6, 2019 0

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 […]

Number of Occurrences

January 11, 2019 0

The following Java Code generates random numbers. Put them in an array and prints the number of times each one occurs in the Array. Only generated numbers will be listed. import java.util.Random;public class Histograms […]

Sum and difference formulas

August 17, 2023 0

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 […]

Al-Kashi, Heron,Bretschneider’s, Brahmagupta’s and Coolidge formulas

January 19, 2017 0

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, […]

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.