cotθ−cosecθ\cot \theta-\operatorname{cosec} \thetacotθ−cosecθ
sinθ−tanθ\sin \theta-\tan \thetasinθ−tanθ
tanθ−sinθ\tan \theta-\sin \thetatanθ−sinθ
cosecθ−cotθ\operatorname{cosec} \theta-\cot \thetacosecθ−cotθ