[ 3 / biz / cgl / ck / diy / fa / ic / jp / lit / sci / vr / vt ] [ index / top / reports ] [ become a patron ] [ status ]
2023-11: Warosu is now out of extended maintenance.

/sci/ - Science & Math


View post   

File: 28 KB, 400x345, 1320193548136.jpg [View same] [iqdb] [saucenao] [google]
6840346 No.6840346 [Reply] [Original]

How would one determine how to draw the graph of y=sin(x^2), y=Cos(x^2), y=Tan(x^2) etc

I am totally lost as to how you would determine the period or why the period seems to converge together.

>> No.6840352

It would just be a normal sine/cos/tan graph except the period gets shorter (repeats in less x units) as you get further away from the y axis, and reflected across the y axis because of the x^2 factor.

>> No.6840353
File: 7 KB, 645x773, 1347146301975.png [View same] [iqdb] [saucenao] [google]
6840353

>pls respond

>> No.6840354

>>6840352
Why does the period get shorter as you move further away from y? I feel like I'm totally overlooking something basic. Although I appreciate that it would be reflected as they are even functions.

Thanks

>> No.6840355

>>6840346
>why the period seems to converge together.
The periods of the trig functions are steady if their argument increases steadily (i.e. in a constant manner. However, x^2 increases ever faster, and so each resulting period is shorter.

>> No.6840356

>>6840354
x increases faster so it starts going through its period more quickly.

>> No.6840365

>>6840356
Out of curiosity, is period decreasing by a scale factor of 1/x ?

>> No.6842061

>why the period seems to converge together
you keep using that word...

anyway, the zeros of sin(x) are integer multiples of pi, so the zeros of sin(x^2) are sqrt(n*pi) for nonnegative integers n. basic asymptotics tell us that the difference between consecutive zeros is ~sqrt(pi/n)/2.