- #1
autodidude
- 333
- 0
Problem A3
http://amc.maa.org/a-activities/a7-problems/putnam/-pdf/2011.pdf
The solution is here but it starts off by claiming that (-1, 2/π) works and then they show it works.
http://amc.maa.org/a-activities/a7-problems/putnam/-pdf/2011s.pdf
My question is how they found (-1, 2/π)
http://amc.maa.org/a-activities/a7-problems/putnam/-pdf/2011.pdf
The solution is here but it starts off by claiming that (-1, 2/π) works and then they show it works.
http://amc.maa.org/a-activities/a7-problems/putnam/-pdf/2011s.pdf
My question is how they found (-1, 2/π)