Acronym of SIN
( Sinus ) Sine (Sin) is a kind of trigonometric function for an angle. the name sine is derived from the Sanskrit word Jiva. The word in Arabic, into the pocket and became, after the translation of Arabic texts into Latin, the translator that it's wrong, etc. pockets (meaning wrestle in. chest) read were the words to the sinus (meaning more armpit) .< < >in the Triangle rule The ratio of the opposite side of each acute angle to the chord is called the sine angle. sine was called "pocket" in ancient Arabic and Persian texts.
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