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MATH TRIGONOMETRY


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math trigonometry


Trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry. Their names and abbreviations 
 sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (csc).
The word trigonometry comes from the Greek words trigonon (“triangle”) and metron (“tomeasure”).

The first use of the idea of ‘sine’ in the way we use it today was in the work Aryabhatiyam by Aryabhata, in A.D. 500. Aryabhata used the word ardha-jya for the half-chord, which was shortened to jya or jiva in due course. When the Aryabhatiyamwas translated into Arabic, the word jiva was retained as it is. The word jiva was translated into sinus, which means curve, when the Arabic version was translated into Latin. Soon the word sinus, also used as sinebecame common in mathematical texts throughout Europe. An English Professor of astronomy EdmundGunter (1581–1626), first used the abbreviatednotation sin’.
The origin of the terms ‘cosine’ and ‘tangent’ was much later. The cosine function arose from the need to compute the sine of the complementary angle. Aryabhatta called it kotijya. The name cosinus originated with Edmund Gunter. In 1674, the English Mathematician Sir Jonas Moore first used the abbreviated notation cos.





math trigonometry

math trigonometry

math trigonometry

math trigonometry

math trigonometry

math trigonometry

math trigonometry

math trigonometry

math trigonometry

math trigonometry

math trigonometry





MATH TRIGONOMETRYMATH TRIGONOMETRY
MATH TRIGONOMETRYMATH TRIGONOMETRY





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