Different uses of cosine function in Julia – cospi() and cosc() Method
The cospi() is an inbuilt function in julia which is used to compute the value of 
which is more accurately than 
, where x is the large value.
Syntax: cospi(x)
Parameters:
- x: Specified large value.
Returns: It returns the value of
Example:
# Julia program to illustrate # the use of cospi() method # Getting the value of cos(pi x) println(cospi(55)) println(cospi(22.7)) println(cospi(3.17)) println(cospi(22 / 7)) |
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Output:
-1.0 -0.5877852522924714 -0.8607420270039438 -0.9009688679024193
cosc()
The cosc() is an inbuilt function in julia which is used to compute the value of 
which is the derivative of sinc(x).
Syntax: cosc(x)
Parameters:
- x: Specified value.
Returns: It returns the value of
Example:
# Julia program to illustrate # the use of cosc() method # Getting the value of cos(pi x)/x-sin(pi x)/(pi x ^ 2) println(cosc(0)) println(cosc(1)) println(cosc(3.14)) println(cosc(22 / 7)) |
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Output:
0.0 -1.0 -0.27441551248588253 -0.2726897540491998
