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 .
Geometry
Quadrilaterals
Quadrilaterals A quadrilateral is a polygon that has four sides. The line segment sides lie within a single plane. Quadrilaterals with non-coplanar sides are called “SKEW”. PARALLELOGRAM: A parallelogram is a quadrilateral in which […]
Algèbre
Solutions de la Fonction Cubique
Solutions de la Fonction Cubique Beaucoup des cas qui suivent ont été déjà coverts. Nous allons prendre le cas par cas de la fonction cubique et des solutions possibles.
Calculus
Formula for reducing the power of the integrand
The formula is used to lower the power of the integrand to more practical powers.If we have the following form: The general following formula should be used to solve this type of integrals. We will […]
Algebra
Solutions of cubic Function
Solutions of the cubic Function We have already discussed most of it in our polynomials discussion. The following discussion takes care of all possible values of the solution when we are facing a problem involving […]
Geometrie analytique
Formules d’ Al-Kashi, Heron,Bretschneider, Brahmagupta et Coolidge
Laformule de Bretscheiner nous aide à trouver l’aire d’un quadrlatère qui n’est pas cyclique, ne pouvant autrement être inscrit dans un cercle, en utilisant seulement la longueur de ses quatres côtés et la mesure d’un angle […]
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