howto:hambasics:sections:test
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howto:hambasics:sections:test [2021/02/13 19:03] – va7fi | howto:hambasics:sections:test [2021/02/13 19:06] – va7fi | ||
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* Take that length and lay it down on the perimeter of the circle. | * Take that length and lay it down on the perimeter of the circle. | ||
* The angle that this length covers is 1 radian (because of the length of the radius on the circle). | * The angle that this length covers is 1 radian (because of the length of the radius on the circle). | ||
- | * That's why a circle has 2π (because the circumference is 2πr) | + | * That's why a circle has 2π radians |
==== Roots ==== | ==== Roots ==== | ||
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< | < | ||
{{ complexroots.png? | {{ complexroots.png? | ||
- | So \$z = 2\$ was to be expected since \$ 2^3 = 8 \$ but it looks like there' | + | So \$z = 2\$ was to be expected since \$ 2^3 = 8 \$ but it looks like there are two more solutions. \\ \\ |
To find them, we first notice that the three solutions are spread out evenly around the circle, that is they are 120° apart. | To find them, we first notice that the three solutions are spread out evenly around the circle, that is they are 120° apart. |
howto/hambasics/sections/test.txt · Last modified: 2021/02/13 19:14 by va7fi