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How do i put arc on the calculator - Texas Instruments TI-83 Plus Calculator

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For the inverse trig functions, press 2ND then the trig function key. For example, to calculate the arcsine of 0.5, press 2ND SIN . 5 ENTER

Posted on Jun 01, 2014


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Can anybody tell how does the value 8.66 occurred? Tell me from S.. Whats that arc?

It's arcus sinus, which, as opposed to the sinus function, returns the angle.
For example:
sin 30 = 1/2
arc sin 1/2 = 30 deg.

If you want to use a scientific calculator to evaluate your calculations, please make sure to use degrees. These calculators usually have 3 settings: deg (degrees), rad (radians), grad (gradius).
Arc sin, arc cos, atan actg are often referred to sin-1, cos-1 tan-1 ctg-1.

Nov 27, 2015 | Cars & Trucks

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How do you fix a "DOMAIN ERROR" ?

It depends on the function. The domain is the set of values that are permitted as input to the function. For the square root for example you cannot calculate square root of a negative number. If you type in sqrt(-3) you get a domain error.

If you are calculating inverse trigonometric functions such as arc sine and arc cosine the argument of the function must be in the closed interval [-1,1].

Dec 13, 2012 | Texas Instruments TI 30XIIS Scientific...

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To get the angle from a value of the cosine, you use the arc cosine or arcosin function. It is the shifted function of the cosine key. Be careful with the units. If the calculator is configured with the degree angle unit, the value returned by the arc cosine will be in degrees. If the angle unit is the radian, the result will be in radians.

Nov 26, 2012 | Casio FX83ES Scientific Calculator

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I can not find the arc key or the INV key

The INV key that you may find on some scientific calculators has, on the TI 83/84/ Plus calculators, an equivalent key marked [2nd].

On the TI83/84 Plus, each trigonometric function has a second marking [SIN^-1], [COS^-1] or [TAN^-1]. To calculate the inverses of trigonometric functions ( arc sine, arc cosine, arc tangent) you press [2nd] followed by the relevant trigonometric function key For example, [2nd] [SIN] displays sin^-1( on the command line.

Unfortunately the hyperbolic functions and their inverses are only accessed through the CATALOG. You press [2nd][0] to open the CATALOG. Then you scroll down the CATALOG list to reach cosh(, cosh^-(, sinh(, sinh^-1(, tanh(, or tanh^-1(.
To speed the search in the catalog, you use the ALPHA keyboard: To reach cosh(, press[PRGM] and you scroll down from there.

Feb 27, 2012 | Texas Instruments TI-84 Plus Calculator

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Error when using inverse trig inever used to get these errors when trying to find angles using whole numbers inside the inverse trig functions but now it will only calculate SOME fractions. wether the...

If you are trying to calculate arcsine (sin^-1) and arccosine (cos^-1) the only whole number you can use are -1,0 and 1. This due to the fact that the domain of these functions is the closed interval [-1,1]. Any value outside that interval will trigger an error message. No limitation on the argument of the arc tangent or arc cotangent functions

If the angle unit is set to degree the arc will be in degrees, and if angle unit is radian, the arc will be in radians.

Sep 27, 2011 | Texas Instruments TI-84 Plus Calculator

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How to find the length ot the arc ,a circle has a radius of 45cm.

You can not do it unless you know the measure of the central angle sustending (supporting) the arc. If the angle is known, you use the proportionality relation that follows:
If angle is in degrees
(length of arc) / circumference=(measure of central angle sustending arc)/360.
Here the circumference is 2*PI*radius.

If angle is in radians , the relation is somewhat simpler,
arc length= (radius length)* (angle measure in radians)
It is clear that in the last relation, the unit for the arc length is the same as the unit for the radius.

Jul 15, 2011 | Casio FX-300MS Calculator

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Why I get domain error

What were you doing when that error occurred? No, i am not asking for your alibi. It helps to narrow down the possibilities. Anyway, I think you might have asked the calculator to calculate a function at a value for which it (the function) is not defined. An example is the arc cosine or arc sine. They are defined on the closed interval [-1,1]. If you ask the calculator to evaluate cos^-1(3.45) you will get a domain error because the argument 3.45 is not within the domain [-1,1] of the arc cosine function.

Jun 07, 2011 | Texas Instruments TI-89 Calculator

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How i calculate sin^-1 of 1.3

You cannot, for the simple reason that the domain of the arc sine function is restricted to the closed interval -1 to 1. Since you want to feed the value 1.3 to that function, it will reject it and you will get a domain error,
If you are trying to calculate the arc sine for your own enjoyment, restrict the values to the interval -1 to 1. If you are attempting to solve a problem, you may want to check the wording of the problem or the data or any intermediate calculations you may have performed.

Apr 19, 2011 | Office Equipment & Supplies

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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

2 Answers

How do I put cosecant, secant, and cotangent functions into my ti-84 plus?

By definition
  1. cosecant of X =1/sin(X), must not be confused with arc sine [sin^-1]
  2. secant of X =1/cos(X), must not be confused with arc cosine [cos^-1]
  3. cotangent of X =1/tan(X), must not be confused with arc tangent [tan^-1]
Because of these simple relations, calculator makers do not implement them with specific key sequences.
On this calculator, you have two ways to calculate one of these functions. EX cosecant of 37 degrees
  1. You enter 1 / [sin] 37 [ ) ] [ENTER] result is 1.661640141
  2. You enter [sin] [ ) ] 37 [ENTER] followed by [X^-1] to take the reciprocal of the previous answer. The [X^-1] key is the one just below [MATH].
A word of caution: secant cosecant and cotangent must not be confused with the inverse trigonometric functions arcsin, arccos, arctan

Jan 21, 2010 | Texas Instruments TI-84 Plus Calculator

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