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pt:sin [2016/01/01 22:48] |
pt:sin [2020/02/28 10:46] (current) |
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+ | ===== Sin ===== | ||
+ | |||
+ | ==== Formato ==== | ||
+ | |||
+ | **sin** ( // | ||
+ | |||
+ | ==== Descrição ==== | ||
+ | |||
+ | Calcula o seno de // | ||
+ | |||
+ | ==== Nota ==== | ||
+ | |||
+ | A função devolve um valor aproximado. | ||
+ | |||
+ | ==== See Also ==== | ||
+ | |||
+ | [[acos|Acos]], | ||
+ | |||
+ | ==== Exemplo ==== | ||
+ | |||
+ | < | ||
+ | clg | ||
+ | color black | ||
+ | # draw a line across the graphic output | ||
+ | line 0, | ||
+ | # where do we start | ||
+ | lastx = 0 | ||
+ | lasty = sin(0) * 50 + 150 | ||
+ | # now step across the line and draw | ||
+ | for x = 0 to 300 step 5 | ||
+ | angle = x / 300 * 2 * pi | ||
+ | y = sin(angle) * 50 + 150 | ||
+ | line lastx, lasty, x, y | ||
+ | lastx = x | ||
+ | lasty = y | ||
+ | next x | ||
+ | </ | ||
+ | Desenha:\\ | ||
+ | {{en: | ||