Re: Trigonometry, sine theorem.
- To: mathgroup at smc.vnet.net
- Subject: [mg30758] Re: Trigonometry, sine theorem.
- From: "Orestis Vantzos" <atelesforos at hotmail.com>
- Date: Sun, 9 Sep 2001 03:27:09 -0400 (EDT)
- Organization: National Technical University of Athens, Greece
- References: <9ncfvr$pu3$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In[47]:= a = 75; b = 67; c = 117; In[57]:= N[ArcCos @@ (cosA /. Solve[a^2 == b^2 + c^2 - 2*b*c*cosA, cosA])/Degree] Out[57]= 36.80528562828013 N[ArcCos @@ (cosB /. Solve[b^2 == c^2 + a^2 - 2*c*a*cosB, cosB])/Degree] Out[53]= 32.35705100730148 N[ArcCos @@ (cosC /. Solve[c^2 == b^2 + a^2 - 2*b*a*cosC, cosC])/Degree] Out[54]= 110.8376633644184