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How do I convert to radian mode? - Texas Instruments TI-34II Explorer Plus Calculator

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Go to mode and one of the choices should say radian

Posted on Sep 29, 2009

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1 Answer

Ti-nspire cx CAS gives answer in degrees even though it is in radians mode.


When you set some configuration parameter you must scroll down the setup until you reach the OK button. Press the OK button to validate.

Oct 09, 2014 | Texas Instruments TI-Nspire CX CAS...

2 Answers

How do i enter this question on a ti 89? 5 sin(2 pi 2000 t +60 degrees) does anybody know i would appreciate it.


Hi ssmith63,
Put the calculator in radian angle mode. The top answer is in AUTO mode and, The bottom is in Approx mode.

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I converted 60 degrees into pi/3 radian which equals 1.0472 radians. I figured 5 significant digits was good enough since, you only went 4. If you have any question just post them and, I'll respond quickly.

Jan 15, 2011 | Texas Instruments TI-89 Calculator

1 Answer

How to use a calculator to convert 0.5 to a cosine angle


Let su rephrase the question, just to be sure we are on the same wavelength. The cosine of an angle is 0.5: What is the value of the angle? Right?.

First of all you must set the angle unit to degree or radian.
  1. Press [SHIFT][MODE\ and select the appropriate unit.
  2. Press [SHIFT][COS] to access the arc cosine function (COS^-1) enter 0.5, close the right parenthesis and hit [=]
If you unit is the degree you should find 60 degrees.
If the angle unit is the radian, the result should be 1.045 radian.

Mar 10, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

How do I get from degrees to radians? For some reason my TI-84 will not convert degrees to radians.


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Press the [MODE] key to access the mode comfiguration screen .
Set angle unit to to radian (see above)
Enter angle value in Decimal degrees only, use the [2nd][ANGLE] key sequence to have access to the degree symbol. The degree symbol must imperatively appear at the end of the angle value.

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Here are some examples
If you use angle values in DMS, it will not be converted to radians, but to decimal degrees.
If you omit the degree symbol there is no conversion.

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A general formula is Pi radians =180 degrees
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Feb 10, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do you convert it from degree to radian mode


Hello,
To convert a displayed number from degree to radian, press [2nd][DRG->] once. Each time you press the two keys in sequence you change from deg to rad to grad to degree and so on.
Hope it helps.

Oct 23, 2009 | Texas Instruments TI-30XA Calculator

2 Answers

How to convert polar to rectangular form


Hello,
Press [MODE] and select [1:COMP]
Press [SHIFT][MODE] and select [3:Deg]. You can also use rad if the angle you are given is in radians.
To start the conversion
Press [SHIFT][-] (Rec) screen displays Rec(
Key in the radius r , ex: 3 screen displays Rec(3
Press [SHIFT][)] (,) to enter comma separator Rec(3,
Key in the angle in degrees, ex: 57.3; screen displays Rec(3,57.3
Press ) to close parentheses; screen displays Rec(3, 57.3)
Press [=]
Screen displays
Rec(3, 57.3)
X=1.620720961
Y=2.524532346

X and Y are the values of the coordinates.

If angle is in radians, [SHIFT] [MODE][4:Rad] the command
Rec(3, Pi) gives X=-3, Y=0
Hope it helps

Oct 18, 2009 | Casio FX-115ES Scientific Calculator

1 Answer

Wrobg answer whenever I use radians


Hello,
To avoid problems,set your angle unit to radians by default. Press [MODE]. If Radian is highlighted (text on black background), it is indeed the default mode. If Degreee is highlighted, scroll dowm to the line and use the left arrow to select Radian and press ENTER. Radian will start blinking.
Any number you feed a function that acts on angles (sin, cos, tan) will be considered in radians. Any result that comes out of the inverse trigonometric functions (arcsin, arccos, arctan) is in radian. The angle coming from a conversion from cartesian coordinates to polar coordinates is in radian.
You have a simple way to convert the value from radians to degrees because 1 rad=180/pi. Store this value in a variable [STO->] D
180/[2nd][PI] [STO->] D

Since the last result is always stored in [Ans] all you have to do is to multiply by D: [Ans][x][ALPHA]D converts results in degrees.

Hope it helps

Sep 14, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Converting degrees and minutes and seconds to radians


Hello,
With the TI8x/TI8xPlus you can enter an angle in degrees (Angle mode must be set to degrees) and convert it into DMS representation the following way. Exemple
18.675 [2nd][ANGLE][4] [ENTER] gives 18deg 40' 30''
If Angle [MODE] is set to degrees you can enter a number in radians and convert it into degrees. Exemple How many degrees are ther in 1rad ?
[1][2nd][ANGLE][3] display 1 with a small r as superscrit. Pressing [ENTER] yields 57.29577951

To convert 1rad into DMS, takes a little effort but can be done: you have
to convert radians to degrees and the result [ANS] into DMS.

You cannot use an angle written in DMS in any calculation.
But if you want to convert an angle from degrees to radians enter your number and divide by 57.29577951

Hope it helps

Sep 02, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

On my TI 83 plus my sine cosine and tangent buttons are giving incorrect answers.


Alot of people seem to be having this problem. Angles can be measured in two units, degrees and radians. Your calculator is currently doing everything in terms of radians. I have an 84 but I'm sure the 83 is similar, go under MODE and look for Degrees and Radians and make sure you choose degrees. if you have to convert, 360[degrees] = 2* pi [radians]
(easy to remember, 360deg in a circle, 2pi radians in a circle)
Good luck

Aug 11, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Using Tan,sin, cosin


Alot of people seem to be having this problem. Angles can be measured in two units, degrees and radians. Your calculator is currently doing everything in terms of radians. I have an 84 but I'm sure the 83 is similar, go under MODE and look for Degrees and Radians and make sure you choose degrees. if you have to convert 360[degrees] = 2* pi [radians]
(easy to remember, 360deg in a circle, 2pi radians in a circle)
Good luck

Aug 11, 2009 | Texas Instruments TI-83 Plus Calculator

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