Avaldis 9: arc tangent left parenthesis, StartFraction, negative "B" Over StartRoot, left parenthesis, "C" minus "A" , right parenthesis squared plus "B" squared , EndRoot plus "C" minus "A" , EndFraction , right parenthesis equals 0.3 7 9 8 8 1 3 7 7 4 3 8arctan−BC−A2+B2+C−A
equals=
0.3 7 9 8 8 1 3 7 7 4 3 80.379881377438
9
Avaldis 10: arc tangent left parenthesis, StartFraction, StartRoot, left parenthesis, "C" minus "A" , right parenthesis squared plus "B" squared , EndRoot minus left parenthesis, "C" minus "A" , right parenthesis Over negative "B" , EndFraction , right parenthesis equals 0.3 7 9 8 8 1 3 7 7 4 3 8arctanC−A2+B2−C−A−B
