Intersecting curves. Simultaneous Equations.
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 […]
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 […]
Trigonometric functions
Trigonometric functions Trigonometric functions Unit Circle radius is 1 (Unity): Before we dive into the trigonometric functions, it is understood that the student already knows the following: -Basic knowledge of similar triangles. -Definition of circle. […]
Al-Kashi, Heron,Bretschneider’s, Brahmagupta’s and Coolidge formulas
The Bretscheiner’s formula helps find the area of a non-cyclic quadrilateral, that cannot be inscribed in a circle, using only side lengths and possibly one angle measure or one diagonal length. After the Bretschneider’s formula, […]
