Changes between Initial Version and Version 9 of Ticket #24211


Ignore:
Timestamp:
11/23/17 15:48:05 (4 years ago)
Author:
charpent
Comment:

Edit : added similar examples with arccos/arctan.

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  • Ticket #24211

    • Property Milestone changed from sage-8.1 to sage-8.2
    • Property Dependencies changed from to #24262
    • Property Summary changed from Sime trivial identities and simplifications missed by Sage (pynac ?) to Some trivial identities and simplifications missed by Sage (pynac ?)
  • Ticket #24211 – Description

    initial v9  
    1313sage: [maxima.atan(t).sage() for t in [0, 1/sqrt(3), 1, sqrt(3)]]
    1414[0, 1/6*pi, 1/4*pi, 1/3*pi]
     15sage: [sympy.atan(t)._sage_() for t in [0, 1/sqrt(3), 1, sqrt(3)]]
     16[0, 1/6*pi, 1/4*pi, 1/3*pi]
     17}}}
     18
     19[ Edit on 2017-11-23 ] In the same vein :
     20{{{
     21sage: [arccos(t) for t in [0, 1/2, sqrt(2)/2, sqrt(3)/2, 1]]
     22[1/2*pi, 1/3*pi, arccos(1/2*sqrt(2)), arccos(1/2*sqrt(3)), 0]
     23sage: [maxima.arccos(t).sage() for t in [0, 1/2, sqrt(2)/2, sqrt(3)/2, 1]]
     24[1/2*pi, 1/3*pi, arccos(1/2*sqrt(2)), arccos(1/2*sqrt(3)), 0]
     25sage: [sympy.acos(t)._sage_() for t in [0, 1/2, sqrt(2)/2, sqrt(3)/2, 1]]
     26[1/2*pi, 1/3*pi, 1/4*pi, 1/6*pi, 0]
     27sage: [arctan(t) for t in [0, 1/sqrt(3), 1, sqrt(3)]]
     28[0, arctan(1/3*sqrt(3)), 1/4*pi, arctan(sqrt(3))]
     29sage: [maxima.arctan(t).sage() for t in [0, 1/sqrt(3), 1, sqrt(3)]]
     30[0, arctan(1/3*sqrt(3)), 1/4*pi, arctan(sqrt(3))]
    1531sage: [sympy.atan(t)._sage_() for t in [0, 1/sqrt(3), 1, sqrt(3)]]
    1632[0, 1/6*pi, 1/4*pi, 1/3*pi]