Question about Texas Instruments TI-84 Plus Calculator

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Calculator why won't my calculator graph sin pie right

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Might need to change mode from degrees to radians

Posted on Apr 16, 2008

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How to calculate 1.65%

Posted on Jan 30, 2009

15*365-2325/655+56556+214//*54565=

Posted on Apr 16, 2008

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1 Answer

Graphs are drawn as the negative


There is nothing mysterious about it. Wittingly or not, you
switched the window limits.
Examples
Xmin=6.3, Xmax=-6.3
Ymin=3, Ymax=-3
or some other combinations.
Here is the 1st case (Xmin=6.3, Xmax=-6.3, Ymin=-3, Ymax=3).
The traced point has positive x

23fa56d5-17ed-4cb9-a894-1ac844688631.png
Complete switch. The graph looks correct but as
you can see the traced point has positive x,
and negative y.
e81b7c2c-d323-4ce3-9f29-7161578d79e1.png

I did not think the calculator would be that tolerant.

Jan 22, 2014 | Casio FX-9750GPlus Calculator

1 Answer

Polar rectangular


There is nothing to convert, because if T is a real number so is 40sin(4000T).
40sin(4000T)=40abs(sin(4000T))*sign(sin(4000T))
where abs() is the absolute value of it argument, and sign(sin(4000T)) is positive or negative.
So in (radius, angle) polar coordinates
r= 40 abs(sin(4000T)),
theta =(0, or PI), depending on sign(sin(4000T))

If you are trying to graph parametric functions, this calculator does not do graphs, and you need another function of T

Dec 26, 2013 | Casio FX991ES Scientific Calculator

1 Answer

Will not graph sin/cos/tan properly


Make sure you have the angular mode set to radians. In degree, the graph of sine(x) is nearly a straight line for small values of x.

May 08, 2012 | Texas Instruments TI-Nspire CAS Graphing...

1 Answer

When i try find graph for sin or cos x or even yan i get a always tright line


Set your calculator to RAD mode and then graphing functions.
See example for y=sin x

3_8_2012_6_21_48_pm.jpg

Mar 10, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do I get it to graph Sin(x)


Look for a key y= (y= editor). type in the right side of the function sin(x), press Draw or graph. After a graph is drawn, and if it is not well centred play with the Windows dimensions, or the Zoom functions.

Mar 07, 2012 | Sentry CA 756 Calculator

1 Answer

Im trying to graph a parametric equation and whenever the equation has an exponent/power in it the calculator says Syn error so i know how to graph x=2 cos T, y=2 sin T and similar equations without a...


To enter powers of trigonometric functions you must enclose the functions in parentheses and then apply the exponent to the whole. For example X1t =(sin T)^3 , Y1t=(cos T)^3 will give you a shape similar to a rhombus with concave sides. The symbol ^syands for the operation of raising to a power. The key is the one with the caret symbol ^ , and it is wedged between the xsqure and EXIT keys (third row of keys).
As regards the cotangent, use the equivalent definition cot(X)=1/tan(X).

Jul 26, 2011 | Casio FX-9750GPlus Calculator

1 Answer

My TI-89 Titanium won't graph sin, cos, or tan?


Set your calculator to RAD mode and then graphing functions.
See example for y=sin x

3_8_2012_6_21_48_pm.jpg

Nov 10, 2010 | Texas Instruments TI-89 Calculator

1 Answer

Hi, I recently purchased a ti 89 calculator from a friend and I am having the following problem: The calculator will not evaluate trig functions. For example, if I type Sin(Pie/4) and hit enter, the...


The calculator is set up to produce exact results. If you want the expression to be evaluated put a decimal mark at the end of the 4.
to making 4 a floating point number instead of integer.
Alternatively, press the [MODE] key. Scroll down through the pages of options until you reach the line labeled Exact/Approx. When cursor is on that line, use the right arrow key to open the menu. Select [3:Approximate]. Press [ENTER] to save.

Aug 25, 2010 | Texas Instruments TI-89 Calculator

1 Answer

Calculator won't graph right


try seeing if the mode is in radians or degrees, it must be in radians

Let me know if this works

Mar 29, 2008 | Texas Instruments TI-84 Plus Calculator

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