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unsimplified integral: i(sin(x),x,0,a) #1578

Closed rtoy closed 2 days ago

rtoy commented 2 days ago

Imported from SourceForge on 2024-07-04 20:16:02 Created by macrakis on 2005-12-12 21:02:13 Original: https://sourceforge.net/p/maxima/bugs/836

integrate(sin(x),x,0,a) => 1-cos(-a)

The cos(-a) normally simplifies to cos(a).

rtoy commented 2 days ago

Imported from SourceForge on 2024-07-04 20:16:04 Created by willisbl on 2005-12-13 16:02:12 Original: https://sourceforge.net/p/maxima/bugs/836/#5e14

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My Maxima returns 1 - cos(a).

(%i1) integrate(sin(x),x,0,a); Is a positive, negative, or zero? pos; (%o1) 1-cos(a)

(%i2) build_info(); Maxima version: 5.9.2.5cvs Maxima build date: 12:8 12/12/2005 host type: i686-pc-mingw32 lisp-implementation-type: GNU Common Lisp (GCL) lisp-implementation-version: GCL 2.6.7

Barton

rtoy commented 2 days ago

Imported from SourceForge on 2024-07-04 20:16:07 Created by rtoy on 2006-04-07 13:48:28 Original: https://sourceforge.net/p/maxima/bugs/836/#adf9

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Closing this as fixed.

rtoy commented 2 days ago

Imported from SourceForge on 2024-07-04 20:16:11 Created by rtoy on 2006-04-07 13:48:28 Original: https://sourceforge.net/p/maxima/bugs/836/#40d6