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Module: Prelude
Function: cos
Type: Floating a => a -> a
Class: Floating
Description: cosine
Related: acos, acosh, asin, asinh, atan, atanh, cosh, sin, sinh, tan, tanh
Keywords: cosine, trigonometry
MATHWORLD Cosine

Example 1

Input: cos (pi/2)

Output: 0.0




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