Issue 1181: Advanced trigonometric simplification
http://code.google.com/p/sympy/issues/detail?id=1181
New issue report by [EMAIL PROTECTED]:
Suggestion is to automate trigonometric simplification for following types
of expressions (should also work for hyperbolic expressions) which occur
in coordinate transformation. That is the used should not be required to
perform the required groupings ahead of time to carry out the full
trigonometric simplification.
cos(theta)**2 + cos(phi)**2*sin(theta)**2 + sin(phi)**2*sin(theta)**2
r**2*sin(theta)**2 + r**2*cos(phi)**2*cos(theta)**2 +
r**2*cos(theta)**2*sin(phi)**2
r**2*cos(phi)**2*sin(theta)**2 + r**2*sin(phi)**2*sin(theta)**2
The results of trigsimp on the above expressions should be
1
r**2
r**2*sin(theta)**2
Issue attributes:
Status: Accepted
Owner: [EMAIL PROTECTED]
Labels: Type-Defect Priority-Medium
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