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SQL Server/T-SQL Tutorial/Math Functions/Sin - История изменений
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в 13:46, 26 мая 2010
2010-05-26T13:46:16Z
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Admin: 1 версия
2010-05-26T10:24:39Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== Sin, COS and Tan==<br />
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<!-- start source code --><br />
<br />
<source lang="sql"><br />
4> DECLARE @degrees smallint<br />
5> DECLARE @radians float<br />
6> SELECT @degrees=0<br />
7> SELECT @radians=0<br />
8> WHILE (@degrees <= 180)<br />
9> BEGIN<br />
10> SELECT<br />
11> DEGREES=@degrees,<br />
12> RADIANS=STR(@radians, 8, 5),<br />
13> SINE=STR(SIN(@radians), 8, 5),<br />
14> COSINE=STR(COS(@radians), 8, 5),<br />
15> TANGENT=STR(TAN(@radians), 8, 5)<br />
16> SELECT @degrees=@degrees + 10<br />
17> SELECT @radians=RADIANS(CONVERT(float, @degrees))<br />
18> END<br />
19> GO<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
0 0.00000 0.00000 1.00000 0.00000<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
10 0.17453 0.17365 0.98481 0.17633<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
20 0.34907 0.34202 0.93969 0.36397<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
30 0.52360 0.50000 0.86603 0.57735<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
40 0.69813 0.64279 0.76604 0.83910<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
50 0.87266 0.76604 0.64279 1.19175<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
60 1.04720 0.86603 0.50000 1.73205<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
70 1.22173 0.93969 0.34202 2.74748<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
80 1.39626 0.98481 0.17365 5.67128<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
90 1.57080 1.00000 0.00000 ********<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
100 1.74533 0.98481 -0.17365 -5.67128<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
110 1.91986 0.93969 -0.34202 -2.74748<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
120 2.09440 0.86603 -0.50000 -1.73205<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
130 2.26893 0.76604 -0.64279 -1.19175<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
140 2.44346 0.64279 -0.76604 -0.83910<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
150 2.61799 0.50000 -0.86603 -0.57735<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
160 2.79253 0.34202 -0.93969 -0.36397<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
170 2.96706 0.17365 -0.98481 -0.17633<br />
(1 rows affected)<br />
DEGREES RADIANS SINE COSINE TANGENT<br />
------- -------- -------- -------- --------<br />
180 3.14159 0.00000 -1.00000 -0.00000<br />
(1 rows affected)<br />
1></source><br />
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== SIN returns a float value that is the sine of the angle passed in as a parameter.==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="sql"><br />
Note that the angle passed in must be in radians.<br />
5> SELECT SIN(1.2)<br />
6> GO<br />
------------------------<br />
0.93203908596722629<br />
(1 rows affected)</source></div>
Admin