DLMF:4.18.E1

MaRDI QIDQ1819

• Label: DLMF:4.18.E1

Digital Library of Mathematical Functions ID 4.18.E1

${\displaystyle{\displaystyle\frac{2x}{\pi}\leq\sin x\leq x,}}$

Constraint(s)

${\displaystyle{\displaystyle 0\leq x\leq\frac{1}{2}\pi}}$

Symbols List

• ${\displaystyle{\displaystyle\pi}}$: the ratio of the circumference of a circle to its diameter
• ${\displaystyle{\displaystyle\sin\NVar{z}}}$: sine function
• ${\displaystyle{\displaystyle x}}$: real variable
 

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