Analytic geometry
Inscribed Circles from the Lounge
Inscribed circles, from the lounge Problem 23: A circle of center has been inscribed in a square ABCD, of side 16 meters. In the following figure, a smaller circle of center and tangent of Circle […]
Trigonometry
The passing Airplane
The passing Airplane The passing Airplane A navigator on board a ship at anchormeasures the angle of inclination of 28 degrees to an approaching airplane at exactly 10:59:50Hrs. The altitude of the plane at that […]
Calcul Différentiel et Intégral
Théorie des Limites
Théorie des Limites Notion de limite: Un nombre est la de quand tend vers , si le nombre peut s’approcher infiniment de en choisissant suffisamment proche ou égal à . Dans ce cas nous aurons […]
Algebra
Absolute value
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 […]
Algebra
FACTORING BASICS
FACTORING: Factoring is another step we must refresh to be able to simplify and solve equations. Simply put, if we cannot factor, chances are that we cannot simplify. For a giving number, we have to […]
Fonctions trigonométriques élémentaires
Fonctions trigonométriques élémentaires Après l’introduction des trois fonctions trigonométriques (Sinus, cosinus et tangente) d’un angle , nous allons introduire leurs inverses à ne pas confondre avec les fonctions inverses. Sécante: C’est l’inverse de la fonction […]
tv antenna from toptvantenna:
Hi there, just became aware of your blog through Google, and found that it is truly informative. I am gonna…
