User contributions for Captain Pedant
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11 January 2013
- 12:3312:33, 11 January 2013 diff hist +308 N Talk:Sum of Arcsine and Arccosine Created page with "Or sketch a right-angled triangle with unit hypotenuse and another side x, when the two odd angles are the arccos and arcsin of x and plainly sum to pi/2. This works only for ..." current
- 12:3012:30, 11 January 2013 diff hist +91 N Talk:Difference of Fourth Powers of Cosine and Sine Alternative proof