Question about Texas Instruments TI-68 Calculator

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Shift tan how do i get shift tan

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Press INV then TAN to get the arctangent.

Posted on May 05, 2013

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1 Answer

Arctan


Press SHIFT then tan. The shifted function of the tan key is marked tan^-1 for inverse tangent, another name for the arctangent.

Feb 26, 2014 | Casio FX-115MS Plus Calculator

1 Answer

Where is the shift key?


For the arctangent press INV then TAN. The INV key is two up and one left of the "7" key.

May 05, 2013 | Texas Instruments TI-68 Calculator

1 Answer

Trying to figure out how to do cotangent, the problem says cot A= 1.71 we are supposed to solve for a degree


cot( A) =1/tan( A)l Your equation can be cast as tan(A) =1/1.71. To find the arc (angle A) you use the arc tangent or tan^-1 (SHIFT TAN).
You type in [SHIFT][TAN] (1/1.71) [EXE]

Apr 13, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

Cant find the arc or inverse button


The trigonometric function [SIN],[COS] and [TAN] have inverse functions arc-sine, arc-cosine, and arc-tangent which are also implemented on scientific calculators. To access the inverse trigonometric functions you use the sequences [SHIFT][SIN], [SHIFT][COS] and [SHIFT][TAN]. The functions are marked on the body of the calculator as [SIN^-1], [COS^-1] and [TAN^-1].
When you use these functions, make sure that the angle unit is correctly set (as required by the problem you are solving) because the angle values returned are in the same unit as the one set.

Jan 15, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

How to use calculator on how to evaluate trigonometric functions


The FX-115ES is somewhat different to other calculators you might know. The sequence of keys is more like writing up a calculation in a textbook, whereas for "normal" calculators operations are reversed in some places.
For example, with most calculators you would type 30 [sin] to calculate the sine function of 30 degrees, with the 115ES its [sin] 30 [=].

The 115ES has all the standard trigonometric functions:
  • Standard functions (sin, cos, tan), type the [sin], [cos] or [tan] key followed by the argument.
  • Inverse trigonometric (sin?¹, cos?¹, tan?¹), type [SHIFT][sin], [SHIFT][cos] or [SHIFT][tan] followed by the argument.
  • Hyperbolic functions (sinh, cosh, tanh), type [HYP][sin], [HYP][cos], or [HYP][tan] followed by the argument.
  • and finally inverse hyperbolic (sinh?¹, cosh?¹, tanh?¹), its [SHIFT][HYP][sin], [SHIFT][HYP][cos], or [SHIFT][HYP][tan] followed by the argument.
Arguments can be given as numbers with mantissa (2.718), as fractions (use the fraction key below [CALC]) or as degree, minute, second (30°12'45") using the [°'"] key for input. To switch between degrees (1 circle = 360°), radians (1 circle = 2?), or grad (1 circle = 400 gon), use [SHIFT][DRG>].

Jan 06, 2011 | Casio FX-115ES Scientific Calculator

2 Answers

How to solve for the trigonometric functions in the casio scientific calculator?


Press the relevant function key [SIN],[COS],[TAN] followed by the angle value.
For inverse trigonometric functions [SIN^-1], COS^-1], or [TAN^-1], Press [SHIFT][SIN], [SHIFT][COS], or [SHIFT][TAN].
For other functions
sec(x)=1/cos(x)
csc(x)=1/sin(x)
cot(x)=1/tan(x)

When calculating trigonometric functions one must make sure that the angle unit the calculator is using is the correct one.

Aug 26, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

How to do inverse of tan cos sin


The inverse trigonometric function share each the same physical key with its direct function. The inverse trigonometric functions are accessed with the [SHIFT] key
[SHIFT] [SIN] accesses the arcsine
[SHIFT][COS] accesses the arccosine
and [SHIFT][TAN] the arctangent.

Apr 14, 2010 | Casio FX-9750GPlus Calculator

1 Answer

How to use the cosine,tangent etc functions of calculator fx-82ES plus


Hello,
1.Set the correct angle unit required by your problem: degrees, radians, or grads. [SHIFT][MODE] [3:deg] or [4:Rad]

2. Press the key for the function COS, SIN, or TAN
[COS] displays Cos(

3.Enter the angle 12 deg Screen shows cos(12
Close the right parenthesis ) Screen shows cos(12)
4.Press [=] Screen displays 0.9781

If you want the inverse trigonometric functions you access them with arccos [SHIFT] [COS] (cos^-1)
arcsin [SHIFT][SIN] (sin^-1)
actan [SHIFT][TAN] (tan^-1)

You have to know the principal domain for the inverse trigonometric functions (see any book on trigonometry) to understand the results.
Hope it helps.

Nov 05, 2009 | Casio Office Equipment & Supplies

1 Answer

How to use trig function keys on my casio fx-300ES


Hello,
You have 3 keys for the main trigonometric functions: [SIN], [COS] and [TAN]
To use them correctly you must set the angle unit to the one your problem calls for.
Press [SIFT][MODE] [3:Deg] for degree, [4:Rad] for radian, [5:Grad] for grad. Dependig on angle unit chosen a small D, R, or G appears on the top of the screen.

If you need the inverse trigonometric functions arcsine, arccosine, arctangent, you access them by first pressing the [SHIFT] key
Thus
arcsine [SHIFT][SIN] (sin^-1)
arcosine [SHIFT][COS] (cos^-1)
arctangent [SHIFT][TAN] (tan^-1)

The syntax for the function is
[SIN] # [ ) ] [=]; [SIN] 30 [ ) ] [=] gives 0.5
[COS] # [ ) ] [=] [COS] 19 [ ) ] [=] gives 0.945518576

Note: if the argument of the functions are numbers, the right parenthesis is not necessary. But if the argument is an expression (with various operations) better put the parenthesis to make sure the calculator is performing as one wants it to.

By the way, there are no keys, or key combinations to calculate cotangent, cosecant, and secant, but you can use the definitions:

cotangent (x) = 1/tan(x) Do not confuse it with tan^-1
cosecant(x) = 1/sin(x) Do not confuse it with sin^-1
secant(x) = 1/cos(x) Do not confuse it with cos^-1

Hope it helps.

Oct 30, 2009 | Casio fx-300ES Calculator

1 Answer

I need to know how to put in the info for tan^(-1)(whatever)=


Press SHIFT [ATAN] whatever ENTER

ATAN stands for arctangent (inverse tangent, tan^(-1)) and is the shifted function of the tangent key.

Aug 27, 2009 | HP 39g Calculator

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