**Really i aspect to keep this page on my blog because of its importance for me as a math teacher and for other math teachers need such formulas that i have create them from those references from the internet and i wish for any one open my blog to enjoy with such formulas since any one will use them in his/her education specially for elementary and high schools**

__References:__http://www.kwiznet.com/p/takeQuiz.php?ChapterID=1557&CurriculumID=37&Num=3.21

http://www.sosmath.com/trig/Trig5/trig5/trig5.html

http://math.about.com/library/bltrigformula.htm

http://www.syvum.com/math/trigo/

Although these rules are too little but they still can cover a lot of mathematics applications in our daily life. Also they are still with no meaning if not taught to learners as where and how to apply them in real life problems.

ReplyDeleteMath contain millions of equations and rules that does not finish but those are elementary rules that can help any teacher and student in his education

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