Sinh, cosh and tanh are hyperbolic functions. Here sinh, cosh, tanh and sech are hyperbolic functions. Trigonometric formulas for hyperbolic triangles depend on the hyperbolic functions sinh, cosh, and tanh. Stephen Akinmurele used batteries bound together to make a cosh or bludgeon. Other names for a baton are a truncheon, cosh, billystick, billy club, nightstick, or stick. Jeeves knocks Dobbs unconscious from behind using the cosh. Bertie, having forgotten the Christopher Robin poems, consults Jeeves, who has taken away Thomas's cosh. Then he throws the cosh at Oliver, who thinks the crewman threw the cosh. They found this bloody cosh beneath Eric's body. Chris Cosh served as the defensive coordinator. He also directed Louis Golding's "Magnolia Street Story" and "Master Crook", originally called "Cosh Boy". In 1994, they appointed Charles Cosh as their manager. She appeared in "Harry and Cosh", "Cavegirl", "Morris 2274" and "Dream Team". "Cosh Boy" has also been named "The Tough Guy", or "The Slasher". Cosh then joined the Byfields' conservative newsmagazine "Alberta Report" and its affiliates.