00:00.37 | knebel | same, or harder. |
00:02.18 | iceeey|hw | sin(Arcsin(63/65) + 2 Arctan(1/5)) |
00:03.34 | iceeey|hw | sin(A + B) = sinA cosB + cosA sinB |
00:04.10 | iceeey|hw | cos(B) = 1-2sin^2(B) |
00:04.21 | iceeey|hw | sin(B) = 2sin(B) cos(B) |
00:07.35 | iceeey|hw | 63/65 * (1-2sin^2(1/5)) + sqrt(26) * 2(1/sqrt(26)) |
00:07.36 | iceeey|hw | I think |
00:08.54 | iceeey|hw | 63/65 * ((1-1/13) + sqrt(26)) * 2(1/sqrt(26)) |
00:09.23 | iceeey|hw | 63/65 * (1-1/13) + sqrt(26) * 2(1/sqrt(26)) |
00:10.36 | iceeey|hw | 756/845 + 2 |
00:10.56 | iceeey|hw | = 2446/845 |
00:11.49 | iceeey|hw | d'oh, I'm wrong, it's 836/845 |
00:11.53 | iceeey|hw | must have made some error |
00:12.07 | iceeey|food | bbl |