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

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:

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# R program to illustrate
# cospi function
  
# Calling the cospi() function
cospi(0)
cospi(1)

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Output:

[1] 1
[1] -1

Example 2:

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# R program to illustrate
# cospi function
  
# Calling the cospi() function
cospi(1 / 4)
cospi(2 / 5)
cospi(3 / 7)

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Output:

[1] 0.7071068
[1] 0.309017
[1] 0.2225209 
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