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I have a result with trigonometry functions using Cot and Csc. I would like to keep only cos, sin and tan and so prefer fractions in the display of the results. How is it possible to ask Mathematica for not using Cot, Csh ... ?

Thank you for your help

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I would define it as follows.

 f[x_] := (E^(3 x + 2))HoldForm[(1/Sin[2*x])]

If you type in f[x] , it returns e^(3x+2) (1/Sin[2x])

In order to evaluate it at any time,

  ReleaseHold[ f[x]] /. x -> Pi/4
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