First time here? Check out the FAQ!

Revision history [back]

Using the keyword argument algorithm='sympy' leads to more success:

sage: solve(cos(theta)==sin(theta), theta, algorithm='sympy')
[ImageSet(Lambda(_n, 2*_n*pi + 5*pi/4), Integers),
 ImageSet(Lambda(_n, 2*_n*pi + pi/4), Integers)]

Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.