#8729: simple integral using trig functions gives wrong answer
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Reporter: jason | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-4.4
Component: calculus | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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See http://groups.google.com/group/sage-
devel/browse_frm/thread/f82e24efdfe23b07/d9e563f086b1136d for a solution
{{{
sage: a=sqrt((sin(t))^2 + (cos(t))^2)
sage: integrate(a, t, 0, 2*pi) # WRONG!
pi
sage: a.simplify_full().simplify_trig()
1
sage: integrate(a.simplify_full().simplify_trig(), t, 0, 2*pi)
2*pi
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8729>
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