| Obstinate |
PERVERSE |
| Occasionally |
EVERYSOOFTEN |
| Opera — a Scot (anag) |
TOSCA |
| Particle of light |
PHOTON |
| Put into service |
USED |
| Ratio of the hypotenuse to the adjacent side in a right-angled triangle |
SECANT |
| Stencil (anag) |
CLIENTS |
| Strong feeling |
EMOTION |
| Sweet course |
DESSERT |
| Tendon |
SINEW |
| Transferred data to a computer |
UPLOADED |
| Unmanageable |
OUTOFCONTROL |