Sinus

Sinus (lotincha: sinus — „egrilik“) 1) trigonometrik funksiyalardan biri ${\displaystyle sinx}$ bilan belgilanadi; 2) toʻgʻri burchakli uchburchakning oʻtkir burchaklari uchun ${\displaystyle sinx}$ — burchak qarshisida yotgan katet uzunligining gipotenuza uzunligiga nisbatiga teng.

Burchak, x				sin(x)		cos(x)
Daraja	Radian	Grad	Aniq	Oʻnli kasr	Aniq	Oʻnli kasr
0°	0	0g	0	0	1	1
15°	1/12π	16+2/3g	${\displaystyle {\frac {{\sqrt {6}}-{\sqrt {2}}}{4}}}$	0.2588	${\displaystyle {\frac {{\sqrt {6}}+{\sqrt {2}}}{4}}}$	0.9659
30°	1/6π	33+1/3g	1/2	0.5	${\displaystyle {\frac {\sqrt {3}}{2}}}$	0.8660
45°	1/4π	50g	${\displaystyle {\frac {\sqrt {2}}{2}}}$	0.7071	${\displaystyle {\frac {\sqrt {2}}{2}}}$	0.7071
60°	1/3π	66+2/3g	${\displaystyle {\frac {\sqrt {3}}{2}}}$	0.8660	1/2	0.5
75°	5/12π	83+1/3g	${\displaystyle {\frac {{\sqrt {6}}+{\sqrt {2}}}{4}}}$	0.9659	${\displaystyle {\frac {{\sqrt {6}}-{\sqrt {2}}}{4}}}$	0.2588
90°	1/2π	100g	1	1	0	0

• Traupman, Ph.D., John C. (1966), The New College Latin & English Dictionary, Toronto: Bantam, ISBN 0-553-27619-0
• Webster's Seventh New Collegiate Dictionary, Springfield: G. & C. Merriam Company, 1969

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