How do I use inverse trigonometry in access?

N

nick2440

Can anybody give me any advise on how I would write an expression using
Inverse Trigonometry in an query in Access.
I can use normal trig as: Tan(2/7) / Cos(0.54) / Sin(12/9)
But when I want to write an expession to find an angle of a right-angled
triangle, I can not work out how to use the inverse function of trig.
Normally the expression would be something like: (2/7)Tan-1 [or to the
power of minus 1] / (12/9)sin-1 / 0.54Cos-1.
But I can not understand how to write an expession using the inverse function,
any help would be gratefullly appreciated.
 
D

Douglas J. Steele

Go into the VB Editor and search Help for Derived Math Functions. The
formulae for each of the equations you want are shown there.
 
D

DonCao

Use this formula in query (microsoft access):

Inverse_Tan:Atn([1st angle])*180/3.141592654
 
V

Van T. Dinh

Why would you perform an inverse Tan of an angle?

The input of Inverse Tan should be a real number (a ratio without unit), not
an angle ...
 

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