| C06RAF | Discrete sine transform (easy-to-use) |
| C06RCF | Discrete quarter-wave sine transform (easy-to-use) |
| F01EKF | Exponential, sine, cosine, sinh or cosh of a real matrix (Schur–Parlett algorithm) |
| F01FKF | Exponential, sine, cosine, sinh or cosh of a complex matrix (Schur–Parlett algorithm) |
| F01JAF | Condition number for the exponential, logarithm, sine, cosine, sinh or cosh of a real matrix |
| F01KAF | Condition number for the exponential, logarithm, sine, cosine, sinh or cosh of a complex matrix |
| F06BCF | Recover cosine and sine from given real tangent |
| F06CBF | Generate complex plane rotation, storing tangent, real sine |
| F06CCF | Recover cosine and sine from given complex tangent, real cosine |
| F06CDF | Recover cosine and sine from given complex tangent, real sine |
| F06TXF | Apply sequence of plane rotations, complex rectangular matrix, real cosine and complex sine |
| F06TYF | Apply sequence of plane rotations, complex rectangular matrix, complex cosine and real sine |
| F06VXF | Apply sequence of plane rotations, complex rectangular matrix, real cosine and sine |
| S13ADF | Sine integral Si(x) |