The Hyperbolic Cosine is pronounced Cosh.
The Hyperbolic Sine is pronounced Shine.
The Hyperbolic Tangent is pronounced Than with a soft Th.

At least that's the way I've been doing it for the last 55 years.
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Have you ever noticed no one sits next to you at meetings?
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I always thought it was due to B.O.

But we live and learn!