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Mar 23, 2015 at 9:40 history closed ACuriousMind
Kyle Kanos
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Mar 22, 2015 at 19:33 answer added morrna timeline score: 1
Mar 22, 2015 at 19:21 review Close votes
Mar 23, 2015 at 9:40
Mar 22, 2015 at 19:16 comment added aaaaa says reinstate Monica this seems to be pretty straight-forward differentiation (from last to first expression) exercise, if you just asking "how" it comes true. And also one should remember that $sin^2\theta+cos^2\theta=1$
Mar 22, 2015 at 19:05 comment added Danu To make Leandro's hint a bit more explicit: How does $$\frac{\partial}{\partial \theta}\left(\sin\theta\frac{\partial}{\partial\theta}\right)$$ act? How many terms will it produce?
Mar 22, 2015 at 19:02 history edited ACuriousMind
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Mar 22, 2015 at 18:53 comment added Leandro M. Have you tried giving the operator a "test function" to act on?
Mar 22, 2015 at 18:51 review First posts
Mar 22, 2015 at 19:02
Mar 22, 2015 at 18:51 history asked user2674449 CC BY-SA 3.0