That's almost it! Thank you. Could I have the answer as a trig polynomial, meaning sin(2a) instead of sin(a)cos(a), etc.
Thanks again. On Fri, Jul 10, 2015 at 11:36 PM, Sartaj Singh <singhsarta...@gmail.com> wrote: > You should do this. > > >>> ((2+2*I)*exp(I*x) + (2-2*I)*exp(-I*x)).rewrite(sin).expand(sin,trig= > True) > -4*sin(x) +4*cos(x) > > > > On Saturday, 11 July 2015 08:50:00 UTC+5:30, PG wrote: >> >> I do not believe that is the case: >> >> >>> expand((2+3*I)*exp(2*I) + (2-3*I)*exp(-2*I), sin, trig=True) >> 2*exp(-2*I) + 3*I*exp(2*I) - 3*I*exp(-2*I) + 2*exp(2*I) >> >> On Fri, Jul 10, 2015 at 6:51 PM, Aaron Meurer <asme...@gmail.com> wrote: >> >>> If you use expand(trig=True) on the expression it will expand the >>> trigonometric functions. >>> >>> Aaron Meurer >>> >>> On Fri, Jul 10, 2015 at 4:02 PM, Pavel Grinfeld <pgei...@gmail.com> >>> wrote: >>> > Yes, you are right, I think I mistyped the original question. So let >>> me try >>> > to save it from here: is there a way to get the answer as a linear >>> > combination of sin and cos? >>> > >>> > >>> > >>> > On Fri, Jul 10, 2015 at 3:50 PM, Gaurav Dhingra <axyd...@gmail.com> >>> wrote: >>> >> >>> >> Since the real part is zero in this case. Hence only imaginary part is >>> >> there, which I guess is given correctly. In the answer. >>> >> Isn't it ? >>> >> >>> >> -- >>> >> You received this message because you are subscribed to a topic in the >>> >> Google Groups "sympy" group. >>> >> To unsubscribe from this topic, visit >>> >> https://groups.google.com/d/topic/sympy/tDzSVoYz2m8/unsubscribe. >>> >> To unsubscribe from this group and all its topics, send an email to >>> >> sympy+un...@googlegroups.com. >>> >> To post to this group, send email to sy...@googlegroups.com. >>> >> Visit this group at http://groups.google.com/group/sympy. >>> >> To view this discussion on the web visit >>> >> >>> https://groups.google.com/d/msgid/sympy/229ea500-c221-4ccc-b464-19c90bd6a511%40googlegroups.com >>> . >>> >> For more options, visit https://groups.google.com/d/optout. >>> > >>> > >>> > -- >>> > You received this message because you are subscribed to the Google >>> Groups >>> > "sympy" group. >>> > To unsubscribe from this group and stop receiving emails from it, send >>> an >>> > email to sympy+un...@googlegroups.com. >>> > To post to this group, send email to sy...@googlegroups.com. >>> > Visit this group at http://groups.google.com/group/sympy. >>> > To view this discussion on the web visit >>> > >>> https://groups.google.com/d/msgid/sympy/CAAnX_%3DR5%3DK%2B3huAvkPDy87Qc%2BOD3DeG4RjoFD%3DkR%2B4rLi6TxNQ%40mail.gmail.com >>> . >>> > >>> > For more options, visit https://groups.google.com/d/optout. >>> >>> -- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "sympy" group. >>> To unsubscribe from this topic, visit >>> https://groups.google.com/d/topic/sympy/tDzSVoYz2m8/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> sympy+un...@googlegroups.com. >>> To post to this group, send email to sy...@googlegroups.com. >>> Visit this group at http://groups.google.com/group/sympy. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/sympy/CAKgW%3D6KbffK-PQ%3DaadafNPmEg%3D8Tbc5KC92icL2-gN79AgG4PA%40mail.gmail.com >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > You received this message because you are subscribed to a topic in the > Google Groups "sympy" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/sympy/tDzSVoYz2m8/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > sympy+unsubscr...@googlegroups.com. > To post to this group, send email to sympy@googlegroups.com. > Visit this group at http://groups.google.com/group/sympy. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/f4663cfa-5f3a-4a96-89a5-db71b41facff%40googlegroups.com > <https://groups.google.com/d/msgid/sympy/f4663cfa-5f3a-4a96-89a5-db71b41facff%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To post to this group, send email to sympy@googlegroups.com. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAAnX_%3DSb1YbfzXz8eRq1xHN2Tit_73VrEVOtUVcTrYmqrFMu2g%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
