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cos
core
math
Returns cosine of x. x is in radians.
Special Values
x
cos(x)
invalid?
NaN
NaN
yes
±∞
NaN
yes
@
nogc
@
safe
pure nothrow
real
cos
(
real
x
)
Bugs
Results are undefined if |x| >=
2
64
.
core
math
functions
cos
fabs
ldexp
rint
rndtol
rndtonl
sin
sqrt
toPrec
yl2x
Suggestion Box / Bug Report
Returns cosine of x. x is in radians.