Question about Texas Instruments TI-83 Plus Calculator

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Sin square how do i typing in for y1= sin^2(x-2) I cant put a square right after the sin

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Sin^2(x+2) is the same as (sin(x+2))^2

Posted on Jan 09, 2008

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How do I input into the calculator sin squared 45. The answer is 0.75 but how do I go about it on the calculator?


SOHCAHTOA.

Sine is the Opposite divided by the Hypotenuse.
Let's use a triangle with both sides equal to 1 and the hypotenuse will be a^2 + b^2 = c^2, or 1^2 + 1^2 = c^2, or c^2 = 2, so c = square root (2).

So in this triangle, the sin 45 degrees is 1/square root 2 or 0.7071.

Sin square 45 is really sin 45 squared. So we get our answer 0.7071 and square it, and we get 0.5.

Good luck.

Paul

May 01, 2014 | Sharp el-531x scientific calculator

1 Answer

Enter sin squared in Ti-83


The position of the exponent in trig functions is an anomaly in mathematical notation. While the square of sin x is commonly written as
sin^2(x) ,
the square of any other function is written as f(x) ^2 . For example, you wouldn't write ln^2(2) if you mean the square of the natural logarithm of 2, instead you write it as ln(2)^2 or (ln(2))^2 .
The calculator works the same way. To calculate the square of the sine of 3, for example, press
SIN 3 ) ^ 2 ENTER

Nov 18, 2011 | Texas Instruments Office Equipment &...

1 Answer

How do you square a cosine on ti-84 plus


You need to enclose the whole function in parentheses, then square it. sin^2(X) shoulld be entered as sin(x)*sin(x) or (sin(X))^2

Aug 25, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

How solve sin square theta=0.0454


Shift sin 0.0454, and square you answer

May 02, 2011 | Computers & Internet

1 Answer

I need to rewrite Y=5(sqrt2)sin(x)-5(sqrt2)cos(x) as Y=Asin(Bx-c)


Use the fact that cos(pi/4)=sin(pi/4)= 1/square root(2). Trigonometric identity cos(a+b)=cos(a)cos(b)-sin(a)sin(b).

1_22_2012_4_04_59_am.jpg

Nov 07, 2010 | SoftMath Algebrator - Algebra Homework...

1 Answer

I would like to solve the below: int arcsin(x)^1/2/(1-X)^1/2 But I don't know where and how to enter the function.


Your expression is ambiguous: There is a function named int( which extracts the integer part of a numerical result. But there is nothing enlightening about it: int(25/3) gives 8 as result
Do you mean to calculate the integral?
Is it arc sin of square root of X or square root of arcsin(X)?
I am going to assume you want to calculate the indefinite integral of [arcsin (square root of X)]/(1-X)^(1/2)

In Main calculator screen tap the Down pointing arrow at the left of the tool bar (left of the Edit Menu). Select Settings>SetUp>Basic Format

97e3e9a.jpg2ec4942.jpg

As you can see, the angle unit must be in Radians. Make sure that the Decimal calculation is unchecked, otherwise yoy will get a numerical result.
Press the keyboard key to enter your expression.
  1. Press the 2D keyboard
  2. Use the pen to tap the arrow close to the 0 to reveal the Integral template and tap it
  3. Tap the arrow again to reveal the fraction template.
  4. Tap it to insert it at the cursor position.
  5. Tap mth to open the mathematics tab
  6. At the bottom of the mth Tab press TRIG
  7. Tap the arc sine key (sin^-1) and insert it in the numerator of the fraction.
  8. Press the U-turn arrow at the bottom of the mth keyboard to exit the trigonometric functions.
  9. Tap the square root function to the right of the natural log, tap the variable x and right parenthesis, on physical or soft keyboards.
  10. Tap the down arrow to move cursor to the denominator of the integrand.
  11. Type in the denominator (square root of (1-x))
  12. Use the right arrow to move the cursor to main line, and one more tap to move cursor after the d, press the x key enter the differential.
The result is on the screen, but you have to scroll right to reveal it completely.

Here are some screen captures to help you in your quest.b1ad6c3.jpg6384179.jpg

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Mar 20, 2010 | Casio ClassPad 300 Calculator

1 Answer

Im not sure how to put the formula 4 sin squared x 60 into my casio fx-83wa calculator it keeps saying syn error please help


Hello,
You should know that you cannot enter something like sin^2(x) as you would by hand. So you must use parentheses: ( sin(x) )^2. If you do that there is no ambiguity. The calculator evaluates the sine because parentheses are evaluated first, then it takes the square.

So 4[x][(] [SIN][(] 60 [)] [)] [Xto the 2] [=] result is 3/

Since you do not say what model you use, what I entered may not be appropriate: the parentheses inside the sine function may not be needed. In the new Casio the first parenthesis inside the sine is supplied by calculator, but the closing one must be entered by the user.
Hope it helps

Sep 17, 2009 | Casio Office Equipment & Supplies

1 Answer

Solve it plz......


cos x + root 3 sin x =root 2
cos x + ö3 * Sin x = ö2
squaring both the side
(cos x + ö3 * Sin x)2 = (ö2)2
Cos2 x + 3 * Sin2 x = 2
Cos2 x + Sin2 x + 2 * Sin2 x = 2
1 + 2 * Sin2 x= 2
2 * Sin2 x = 2-1
2 * Sin2 x = 1
Sin2 x = ½
Sin x = ö½
Sin x = 1/V2= Sin 45
X = 450

Aug 28, 2008 | Super Tutor Trigonometry (ESDTRIG) for PC

4 Answers

Cosh Squared or Cubed


if you want to square sin(3), press:

(
sin
3
)
)
^
2

Sep 24, 2007 | Texas Instruments TI-89 Calculator

2 Answers

TI-89 Problems


There isn't anything "wrong" with it.

Go to mode, and set the results of your inquiries from Exact to approx.

If you put in cos(e^2), it will print out cos(e^2) because it's the most exact it can be without going into a decimal. (cos(e^2) will be a transcendental number like Pi).

Sep 09, 2007 | Texas Instruments TI-89 Calculator

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