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Where is cos2 on a ti-83 plus calculator?

Anonymous

∙ 12y ago

Updated: 11/10/2022

There is not cos2 button on a TI-83 plus. You will need to enter the cosine function and then square it. (Press the x2 button to get the squared function.)

To type cos2(90) on a TI-83 plus, for example, type:

cos(90)2

Wiki User

∙ 12y ago

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Related Questions

What is the solution to cos2 plus cos2tan2 equals 1?

cos2 + cos2tan2 = cos2 + cos2*sin2/cos2 = cos2 + sin2 which is identically equal to 1. So the solution is all angles.

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The TI-83 calculator uses 4 AAA batteries.

How do you make a TI83 calculate wrong?

You cannot. A calculator is programmed. It is made to calculate correctly.

Is there an online TI 83 graphing calculator?

There are online graphing calculators. However, as of writing, there is no emulated TI83 that runs within your browser. On the other hand, if you have a Ti83, it is possible to copy its ROM to run an emulated TI83 on your desktop via one of many emulators.

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What does negative sine squared plus cosine squared equal?

To determine what negative sine squared plus cosine squared is equal to, start with the primary trigonometric identity, which is based on the pythagorean theorem...sin2(theta) + cos2(theta) = 1... and then solve for the question...cos2(theta) = 1 - sin2(theta)2 cos2(theta) = 1 - sin2(theta) + cos2(theta)2 cos2(theta) - 1 = - sin2(theta) + cos2(theta)

Can you replace the TI83 with a cheaper calculator in High School math classes?

It will depend on the class. Nothing is impossible without the TI83, but some classes might require it so you can graph and write programs to go along with the math curriculum.

How do you enter data into TI83 to find explained variation total variation?

Some TI83's can be set up differently, so it is highly recommendable to read the user guide for the TI83 in question. The user would need to go into the VarStat option and enter all the appropriate fields to have the calculator bring in the appropriate variables and totals.

How does 1-sin squared x times 1 plus tan suared x equals 1?

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Where can you download a free online TI-84 calculator?

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Does the TI83 use an operating system?

No. I believe TI83+ and TI84 do use an operating system.

Do they make software for the TI83?

Yes. The TI83 has several applications that can be downloaded onto the TI83, mainly those made by Texas Instruments. Also, you can write your own software.

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