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hey guys, today in class we learned more about how to use APGS and sin and cosine in Geogbra. what i really liked was how to make the colors change in geogbra using sin. we used sin to have it change colors within the line it was moving. to have the sin line move up on the y-axis you add the amount to the end. EX sin(x) **+.5** here the sin will move up the y axis .5. to have the sin be tighter you times something by x and divided the whole of x. EX sin**(x*10)/2** Anya Eckhardt