Intersecting curves. Simultaneous Equations.

Analytic geometry

Trapezoid from the lounge

Trapezoid from the lounge   Problem 24: The isosceles trapezoid, ABCD, shown in the following figure has the parallel sides measuring 8 meters and 18 meters. 1. Find the area of the inscribed circle.

Algebra

The Art of Solving problems

In the following example, professor Alfred explains how we can save time by using the “poet’s” way, an elegant method, instead of what we call “Peasant’s” method.Most of us hurry up when faced with a […]

Calcul Différentiel et Intégral

Dérivée

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 […]

Algebra

Demos and Proofs

Prove that: While it is not allowed to drop in home works, we can still give hints when you put it in our forum.Let and be a square.We will use two variables and to prove […]

Trigonométrie

Résolution d’Equations trigonometriques

Résolution d’Equations trigonometriques Angle d’élevation: On rencontre le mot “Angle d’Elevation” dans beaucoup de problèmes de trigonométrie. L’angle d’élevation d’un objet est l’angle formé entre l’horizontale et la demie-droite passant par cet objet. Le sommet […]

  • 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 [...]

L’avion qui survole

by MathWizGle in Trigonométrie 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 [...]