# sine function

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• Jan 8th 2012, 11:34 AM
anthonye
sine function
How do you enter a complete sine function on a ti-83.

Thanks
• Jan 8th 2012, 11:48 AM
pickslides
Re: sine function
Goto 'Y=' type in 'SIN' 'X' and push 'Graph' , adjust your window accordingly.
• Jan 8th 2012, 11:50 AM
anthonye
Re: sine function
Thanks but I mean how do you enter asin(bx + c)+d.

Where abcd can be any values.
• Jan 8th 2012, 11:59 AM
pickslides
Re: sine function
Quote:

Originally Posted by anthonye
Thanks but I mean how do you enter asin(bx + c)+d.

Where abcd can be any values.

You can't, you need to fix a,b,c & d to graph the function. The TI-83 only allows for one unknown, that is x.
• Jan 8th 2012, 12:01 PM
anthonye
Re: sine function
I mean how do you enter a complete sine function its where do the brackets go in a complete sine function
• Jan 8th 2012, 12:06 PM
pickslides
Re: sine function
You can enter then into the 'Y=' part just as you have shown in post #3, although you will need fix values for a,b,c, & d.
• Jan 8th 2012, 12:15 PM
anthonye
Re: sine function
Yes I know where to enter them its how ie 3sin(2pix + 2) + 4 are the brackets right.
• Jan 8th 2012, 12:23 PM
pickslides
Re: sine function
If your period is $\displaystyle 2\pi$ then maybe its $\displaystyle 3\sin2\pi (x + 2) + 4$ ? Hard to know without seeing the actual question.
• Jan 8th 2012, 12:24 PM
anthonye
Re: sine function
Ok so theres no standard way then also a bracket comes up as soon as you hit sin
it comes up like sin(
• Jan 8th 2012, 12:28 PM
anthonye
Re: sine function
so you cant enter sin 2pi(

2pi would be in the bracket.
• Jan 8th 2012, 12:36 PM
pickslides
Re: sine function
Quote:

Originally Posted by anthonye
Ok so theres no standard way then also a bracket comes up as soon as you hit sin
it comes up like sin(

Yep, then insert an extra pair, i.e sin(b(x+c))
• Jan 8th 2012, 12:38 PM
anthonye
Re: sine function
ok thanks think i'm there got to go

thank you pickslides.
• Jul 20th 2012, 04:42 AM
kraj8995
Re: sine function
I don't know the complete value of sine function.
• Jul 20th 2012, 07:29 AM
HallsofIvy
Re: sine function
Quote:

Originally Posted by kraj8995
I don't know the complete value of sine function.

If you mean you don't know what anthonye means by "complete sine function", then look at post #3 where he explains what he means.
• Jul 20th 2012, 11:30 AM
skeeter
Re: sine function
Quote:

Originally Posted by anthonye
Thanks but I mean how do you enter asin(bx + c)+d.

Where abcd can be any values.

$\displaystyle y = 4\sin[3(x + 2)] + 1$

Attachment 24320
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