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Declaration: double cos(double x); Returns the cosine of a radian angle x. Range: The value of x has no range. The returned value is in the range of -1 to +1 (inclusive). .
Declaration:
double cos(double x); Returns the cosine of a radian angle x.
double cos(double
);
Returns the cosine of a radian angle x.
The value of x has no range. The returned value is in the range of -1 to +1 (inclusive).
.
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