| 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 | tanx |
| S09AAF | arcsinx |
| S09ABF | arccosx |
| S14AGF | Logarithm of the gamma function lnΓ(z) |