id,summary,reporter,owner,description,type,status,priority,milestone,component,resolution,keywords,cc,merged,author,reviewer,upstream,work_issues,branch,commit,dependencies,stopgaps
20752,Wrong simplification in symbolic trigonometry involving fractions,tmonteil,,"As reported in [http://ask.sagemath.org/question/33623/bug-in-cos-function-in-version-72/?answer=33624#post-id-33624 this ask question], Sage makes wrong simplifications in symbolic trigonometry involving fractions:
{{{
sage: cos(pi+pi*1/42)
cos(1/42*pi)
}}}
While it should be `-cos(1/42*pi)`.
",defect,closed,major,sage-duplicate/invalid/wontfix,symbolics,wontfix,,rws,,,,N/A,,,,,