| Author |
Comment/Response |
Steve
|
 01/23/13 11:57pm
One problem is using DMS format as an input to the trig functions. Convert these to decimal first (and might as well convert to radians while you're at it):
In[29]:=
a = FromDMS[{33., 13.6, 0}] Degree
b = FromDMS[{23., 55.4, 0}] Degree
c = FromDMS[{109., 10.9, 0}] Degree
Out[29]= 0.579915
Out[30]= 0.417541
Out[31]= 1.90558
The next problem is using Cos[z] as your variable. Cos is a built-in function. Change the name:
In[32]:=
fCos = (Sin[-a ] - Sin[-b ]*Cos[c ])/(Cos[-b ]*Sin[c ])
Out[32]= -0.789017
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