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If the result underflows, the
function returns zero; whether errno is set to ERANGE is
implementation-defined. In the following table, x and y are of type double , n is an int , and all functions return double . Angles for trigonometric functions are expressed in radians. sin(x) sine of x cos(x) cosine of x tan(x) tangent of x asin(x) sin -1 (x) in range...