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Compute the cosine value which is multiples of pi in R Programming - cospi() Function

Last Updated : 08 Jun, 2020
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cospi() function in R Language is used to compute the cosine value of x which is the multiples of pi.
Syntax: cospi(x) Parameters: x: Numeric value, array or vector
Example 1: Python3
# R program to illustrate
# cospi function

# Calling the cospi() function
cospi(0)
cospi(1)
Output:
[1] 1
[1] -1
Example 2: Python3
# R program to illustrate
# cospi function

# Calling the cospi() function
cospi(1 / 4)
cospi(2 / 5)
cospi(3 / 7)
Output:
[1] 0.7071068
[1] 0.309017
[1] 0.2225209 

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