Algebra
Introduction to Conic Sections
Introduction to Conic Sections Conic sections can be generated when one slanted line revolves around an intersecting a vertical line . We get two cones joined at the intersection and expading indefinitely upward and downward. […]
Algebra
Matrix Calculation
Introduction to matrices Introduction to Matrices Before we start solving multiple equations, I have to introduce the matrix calculations. Tables can be represented by what we call matrices. A matrix is a type of rectangular […]
Areas of circles and triangles
Areas of circles and triangles Perimeter of a triangle: The perimeter of a triangle is the sum of its 3 sides. In the following figure we have: is the of the triangle.
Calculus
Indefinite integral
Indefinite Integral We have covered the introduction to derivatives. Another topic would be to find a function if we know it’s derivative. This very interesting and we won’t spend much time explaining what the antiderivative […]
Calcul Différentiel et Intégral
Intégrales indéfinies
Intégrales indéfinies ou primitives Ayant couvert les calculs des dérivées, on peut s’interesser à un autre sujet. Connaissant la dérivée, on recherche la famille des fonctions qui diffèrent par des constantes et qui donnent cette dérivée après […]
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 .
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