| F06BCF | Recover cosine and sine from given real tangent |
| F06CCF | Recover cosine and sine from given complex tangent, real cosine |
| F06CDF | Recover cosine and sine from given complex tangent, real sine |
| S07AAF | x |
| S09AAF | x |
| S09ABF | x |
| S14AGF | Logarithm of the Gamma function Γz |