Mouctar Online – Math Site

Absolute value

April 26, 2020 0

Absolute value The best way to try to understand the absolute-value is to look at the number line.If we take any number on the number line, its distance from zero is its absolute value. The […]

Solving trigonometric equations

December 23, 2016 0

Solving trigonometric equations Angle of elevation: In most trigonometric problems, you’ll see the word “Angle of elevation”. The angle of elevation of an object is the angle formed by the horizontal and the line from […]

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 […]

CIRCLES IN ORBITS

March 27, 2017 0

CIRCLES IN ORBITS The length of segment is . The circles are in an orbit. Looking at the figure above, the circle is in orbit 1, circle is in orbit 2 and circle is in […]

Identités remarquables

May 4, 2020 0

Identités remarquables Nous avons déjà utilisé les identités remarquables dans beaucoup d’exercices. Il est important de connaître les identités remarquables et de savoir les utiliser quand l’occasion se présente. Nous n’avons pas parlé de binôme […]

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

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.