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Low of cosines in Mathcad

ValeryOchkov
24-Ruby IV

Low of cosines in Mathcad

Mathcad 15 cannot solve this problem.

Mattcad Prime 2.0:

CosineLow.png

Symbol Math of Mathcad does not know deg but knowes cm as unit?

2 REPLIES 2

Of course Mathcad 15 can solve 😉

Low1.png

But what you found out about units and symbolics is really interesting. We were alway told that the symbolic engine treats units exactly like normal variables. Obviously thats not true. At least when it comes to symbolic solve, Mathcad will choose automatically the "genuine true" variable to solve for if given an automatic choice amongst a singe true variable and a bunch of units. Wouldn't have thought that - anybody having an explanation for that?

low2.png

This was my granddaughter's school problem.
I wanted to show her how it simple and fine solved to Mathcad

LowCosine.png

and without the Low of cosines

Cosines.png

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