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Some-useful-approximations-of-sine-function-sin-pi-7-96-221-sin-pi-9-128-373-sin-pi-11-32-113-I-am-counting-more-thanking-you-




Question Number 137191 by Dwaipayan Shikari last updated on 30/Mar/21
Some useful approximations of sine function  sin((π/7))=((96)/(221))  sin((π/9))=((128)/(373))  sin((π/(11)))=((32)/(113))  ...  I am counting more ..thanking you!
$${Some}\:{useful}\:{approximations}\:{of}\:{sine}\:{function} \\ $$$${sin}\left(\frac{\pi}{\mathrm{7}}\right)=\frac{\mathrm{96}}{\mathrm{221}} \\ $$$${sin}\left(\frac{\pi}{\mathrm{9}}\right)=\frac{\mathrm{128}}{\mathrm{373}} \\ $$$${sin}\left(\frac{\pi}{\mathrm{11}}\right)=\frac{\mathrm{32}}{\mathrm{113}} \\ $$$$… \\ $$$${I}\:{am}\:{counting}\:{more}\:..{thanking}\:{you}! \\ $$

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