Showing content from https://dlmf.nist.gov/4.19 below:
§4.19 Maclaurin Series and Laurent Series ⣠Trigonometric Functions ⣠Chapter 4 Elementary Functions
§4.19 Maclaurin Series and Laurent Series â
-
Keywords:
-
Laurent series, Maclaurin series, trigonometric functions
-
Notes:
-
See Hobson (1928, pp. 288â293, 360â367).
-
Referenced by:
-
§24.2(i)
-
Permalink:
-
http://dlmf.nist.gov/4.19
-
See also:
-
Annotations for Ch.4
4.19.1 sin â¡ z = z â z3 3 ! + z5 5 ! â z7 7 ! + ⯠, â
-
Symbols:
-
! : factorial (as in n ! ), sin â¡ z : sine function and z : complex variable
-
A&S Ref:
-
4.3.65
-
Referenced by:
-
§4.45(i)
-
Permalink:
-
http://dlmf.nist.gov/4.19.E1
-
Encodings:
-
TeX, pMML, png
-
See also:
-
Annotations for §4.19 and Ch.4
4.19.2 cos â¡ z = 1 â z2 2 ! + z4 4 ! â z6 6 ! + ⯠. â
-
Symbols:
-
cos â¡ z : cosine function, ! : factorial (as in n ! ) and z : complex variable
-
A&S Ref:
-
4.3.66
-
Referenced by:
-
§4.45(i)
-
Permalink:
-
http://dlmf.nist.gov/4.19.E2
-
Encodings:
-
TeX, pMML, png
-
See also:
-
Annotations for §4.19 and Ch.4
In (4.19.3)â(4.19.9), B n are the Bernoulli numbers and E n are the Euler numbers (§§24.2(i)â24.2(ii)).
4.19.3 tan â¡ z = z + z3 3 + 2 15 ⢠z5 + 17 315 ⢠z7 + ⯠+ ( â 1 ) n â 1 ⢠2 2 ⢠n ⢠( 2 2 ⢠n â 1 ) ⢠B 2 ⢠n ( 2 ⢠n ) ! ⢠z 2 ⢠n â 1 + ⯠, | z | < 1 2 â¢ Ï , â
-
Symbols:
-
B n : Bernoulli numbers, Ï : the ratio of the circumference of a circle to its diameter, ! : factorial (as in n ! ), tan â¡ z : tangent function, n : integer and z : complex variable
-
A&S Ref:
-
4.3.67
-
Referenced by:
-
§4.19
-
Permalink:
-
http://dlmf.nist.gov/4.19.E3
-
Encodings:
-
TeX, pMML, png
-
See also:
-
Annotations for §4.19 and Ch.4
4.19.4 csc â¡ z = 1 z + z 6 + 7 360 ⢠z3 + 31 15120 ⢠z5 + ⯠+ ( â 1 ) n â 1 ⢠2 ⢠( 2 2 ⢠n â 1 â 1 ) ⢠B 2 ⢠n ( 2 ⢠n ) ! ⢠z 2 ⢠n â 1 + ⯠, 0 < | z | < Ï , â
-
Symbols:
-
B n : Bernoulli numbers, Ï : the ratio of the circumference of a circle to its diameter, csc â¡ z : cosecant function, ! : factorial (as in n ! ), n : integer and z : complex variable
-
A&S Ref:
-
4.3.68
-
Referenced by:
-
§4.33
-
Permalink:
-
http://dlmf.nist.gov/4.19.E4
-
Encodings:
-
TeX, pMML, png
-
See also:
-
Annotations for §4.19 and Ch.4
4.19.5 sec â¡ z = 1 + z2 2 + 5 24 ⢠z4 + 61 720 ⢠z6 + ⯠+ ( â 1 ) n ⢠E 2 ⢠n ( 2 ⢠n ) ! ⢠z 2 ⢠n + ⯠, | z | < 1 2 â¢ Ï , â
-
Symbols:
-
E n : Euler numbers, Ï : the ratio of the circumference of a circle to its diameter, ! : factorial (as in n ! ), sec â¡ z : secant function, n : integer and z : complex variable
-
A&S Ref:
-
4.3.69
-
Referenced by:
-
§24.1, §24.19(i), §24.2(ii)
-
Permalink:
-
http://dlmf.nist.gov/4.19.E5
-
Encodings:
-
TeX, pMML, png
-
See also:
-
Annotations for §4.19 and Ch.4
4.19.6 cot â¡ z = 1 z â z 3 â z3 45 â 2 945 ⢠z5 â ⯠â ( â 1 ) n â 1 ⢠2 2 ⢠n ⢠B 2 ⢠n ( 2 ⢠n ) ! ⢠z 2 ⢠n â 1 â ⯠, 0 < | z | < Ï , â
-
Symbols:
-
B n : Bernoulli numbers, Ï : the ratio of the circumference of a circle to its diameter, cot â¡ z : cotangent function, ! : factorial (as in n ! ), n : integer and z : complex variable
-
A&S Ref:
-
4.3.70
-
Permalink:
-
http://dlmf.nist.gov/4.19.E6
-
Encodings:
-
TeX, pMML, png
-
See also:
-
Annotations for §4.19 and Ch.4
4.19.7 ln â¡ ( sin â¡ z z ) = â n = 1 â ( â 1 ) n ⢠2 2 ⢠n â 1 ⢠B 2 ⢠n n ⢠( 2 ⢠n ) ! ⢠z 2 ⢠n , | z | < Ï , â
-
Symbols:
-
B n : Bernoulli numbers, Ï : the ratio of the circumference of a circle to its diameter, ! : factorial (as in n ! ), ln â¡ z : principal branch of logarithm function, sin â¡ z : sine function, n : integer and z : complex variable
-
A&S Ref:
-
4.3.71
-
Permalink:
-
http://dlmf.nist.gov/4.19.E7
-
Encodings:
-
TeX, pMML, png
-
See also:
-
Annotations for §4.19 and Ch.4
4.19.8 ln â¡ ( cos â¡ z ) = â n = 1 â ( â 1 ) n ⢠2 2 ⢠n â 1 ⢠( 2 2 ⢠n â 1 ) ⢠B 2 ⢠n n ⢠( 2 ⢠n ) ! ⢠z 2 ⢠n , | z | < 1 2 â¢ Ï , â
-
Symbols:
-
B n : Bernoulli numbers, Ï : the ratio of the circumference of a circle to its diameter, cos â¡ z : cosine function, ! : factorial (as in n ! ), ln â¡ z : principal branch of logarithm function, n : integer and z : complex variable
-
A&S Ref:
-
4.3.72
-
Permalink:
-
http://dlmf.nist.gov/4.19.E8
-
Encodings:
-
TeX, pMML, png
-
See also:
-
Annotations for §4.19 and Ch.4
4.19.9 ln â¡ ( tan â¡ z z ) = â n = 1 â ( â 1 ) n â 1 ⢠2 2 ⢠n ⢠( 2 2 ⢠n â 1 â 1 ) ⢠B 2 ⢠n n ⢠( 2 ⢠n ) ! ⢠z 2 ⢠n , | z | < 1 2 â¢ Ï . â
-
Symbols:
-
B n : Bernoulli numbers, Ï : the ratio of the circumference of a circle to its diameter, ! : factorial (as in n ! ), ln â¡ z : principal branch of logarithm function, tan â¡ z : tangent function, n : integer and z : complex variable
-
A&S Ref:
-
4.3.73
-
Referenced by:
-
§4.19, §4.33
-
Permalink:
-
http://dlmf.nist.gov/4.19.E9
-
Encodings:
-
TeX, pMML, png
-
See also:
-
Annotations for §4.19 and Ch.4
RetroSearch is an open source project built by @garambo
| Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.5