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COS Cosine
y = COS(numexpr)
Returns the cosine of the angle whose value, in radians, is expressed
in numexpr. The value is returned in double precision.
numexpr A numeric expression.
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Notes: Remember that 2. radians is equal to 360 degrees.
Therefore 1 radian is equal to 180/..
See Also:
ATN
SIN
TAN
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