Intersecting curves. Simultaneous Equations.

Algèbre

Progressions et series

Progressions et suites Le document qui suit n’est qu’un simple sommaire sur les progressions. Nous allons explorer quelques applications pratiques du calcul des progressions. Imaginer quelqu’un qui se lève le matin et note tout ce […]

Trigonometry

Solving trigonometric equations

Solving trigonometric equations Angle of elevation: In most trigonometric problems, you’ll see the word “Angle of elevation”. The angle of elevation of an object is the angle formed by the horizontal and the line from […]

Analytic geometry

Challenge 1 Spring of 2017

Promoting the study of Geometry Joining forces with institut-delbol.com, mouctar.org is publishing the first challenge. This challenge has two sections and points are calculated based on the level of difficulty for each section and question. Prize is […]

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 […]

Algebra

Solved Samples

Exercise:MD03CE Hands-on: Pythagorean theorem: A right triangle has one of the legs 68 meters longer than the other. The semi-perimeter of the triangle is equal to 112 meters. Find the hypotenuse and the two legs. […]

  • 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 [...]
  • Algebra

    Project bonus 2: Quadratics with parameters

    Project bonus 2: Quadratics with parameters Project bonus 2: Quadratics with parameters Given the following equation: 1. What values of make this equation, an equation with 2 roots? 2. Find the values of so that [...]

Sum and difference formulas

by Mouctar in Trigonometry 0

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 [...]