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# Trigonometry ☆ Systems of Equations ☆ Mathematics Lecture

Xuất bản 18/08/2015
More about Trigonometry and Systems of Equations in this new Mathematics Lecture. A system of equations with more than one unknown involved in some trigonometric functions is usually called a system of trigonometric equations. I hope this will help you. That´s what you will learn in this lesson. Also have a look at the other parts of the course, and thanks for watching. In mathematics, an equation is a formula of the form A = B, where A and B are expressions that may contain one or several variables called unknowns, and "=" denotes the equality binary relation. Although written in the form of proposition, an equation is not a statement that is either true or false, but a problem consisting of finding the values, called solutions, that, when substituted for the unknowns, yield equal values of the expressions A and B. http://en.wikipedia.org/wiki/Equations This video was made by another YouTube user and made available for the use under the Creative Commons licence "CC-BY". His channel can be found here: https://www.youtube.com/user/zshekhtm