Changes between Initial Version and Version 9 of Ticket #24211
 Timestamp:
 11/23/17 15:48:05 (4 years ago)
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Ticket #24211

Property
Milestone
changed from
sage8.1
tosage8.2

Property
Dependencies
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to
#24262

Property
Summary
changed from
Sime trivial identities and simplifications missed by Sage (pynac ?)
toSome trivial identities and simplifications missed by Sage (pynac ?)

Property
Milestone
changed from

Ticket #24211 – Description
initial v9 13 13 sage: [maxima.atan(t).sage() for t in [0, 1/sqrt(3), 1, sqrt(3)]] 14 14 [0, 1/6*pi, 1/4*pi, 1/3*pi] 15 sage: [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 20171123 ] In the same vein : 20 {{{ 21 sage: [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] 23 sage: [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] 25 sage: [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] 27 sage: [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))] 29 sage: [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))] 15 31 sage: [sympy.atan(t)._sage_() for t in [0, 1/sqrt(3), 1, sqrt(3)]] 16 32 [0, 1/6*pi, 1/4*pi, 1/3*pi]