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# Prove 4arccot(2) + arctan(24/7) = pi? watch

1. Dunno where I went wrong?
2. (Original post by Rftra)
Dunno where I went wrong?

look at the solution in this thread somewhere
Paper T
3. (Original post by TeeEm)
look at the solution in this thread somewhere
Paper T
Thanks but still couldn't find where I went wrong
4. I would do this using complex numbers. It's the easiest and quickest way to do it and the result falls right out of simply multiplying complex numbers.
5. (Original post by Rftra)
Thanks but still couldn't find where I went wrong
(Original post by B_9710)
I would do this using complex numbers. It's the easiest and quickest way to do it and the result falls right out of simply multiplying complex numbers.
c3 knowledge unfortunately

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Updated: January 24, 2016
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