Timeline for An inequality with spherical triangles
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 10, 2016 at 14:46 | answer | added | Lierre | timeline score: 2 | |
| Mar 10, 2016 at 9:39 | vote | accept | Lierre | ||
| Mar 10, 2016 at 10:04 | |||||
| Mar 9, 2016 at 15:30 | comment | added | Lierre | @user35593 In the case where $BC \leq \pi/2$, indeed... | |
| Mar 9, 2016 at 14:54 | comment | added | user35593 | Using spherical cosine law it would be left to prove that $$\cos(t\pi/2)\cos(tAC)+\sin(t\pi/2)\sin(tAC)\cos(\alpha)\geq 2\sin^2(AC)\cos^2(\alpha)-1$$ for all $t\in [0,1]$ where $\alpha$ is the angle at $A$. | |
| Mar 9, 2016 at 13:23 | history | asked | Lierre | CC BY-SA 3.0 |