12.10.32 Trigonometric tangent

Unsafe Operation: $tan-fixnum fx

Compute the trigonometric tangent of fx; return a fixnum or flonum.

Unsafe Operation: $tan-bignum bn

Compute the trigonometric tangent of bn; return a flonum.

Unsafe Operation: $tan-ratnum rt

Compute the trigonometric tangent of rt; return a flonum.

Unsafe Operation: $tan-flonum fl

Compute the trigonometric tangent of fl; return a flonum. This is an alias for $fltan.

Unsafe Operation: $tan-cflonum cfl

Compute the trigonometric tangent of cfl; return a cflonum.

Unsafe Operation: $tan-compnum cn

Compute the trigonometric tangent of cn; return a cflonum.