zoestout247
Answered

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i need help and please write out the answer​

I Need Help And Please Write Out The Answer class=

Sagot :

crystal3603813

Answer:

[tex]cos^{-1}[/tex] (2/9) = 77°

Step-by-step explanation:

In your calculator, depending on what type you have, there should be a button that says 2nd. There should also be a button that reads cos, which is cosine.

We want inverse cosine, so click 2nd then cos. This should be inverse cos, [tex]cos^{-1}[/tex].

Your calculator should have [tex]cos^{-1}[/tex] (

So type 2/9 in the parentheses because [tex]\frac{2}{9}[/tex] is the same as 2 divided by 9.

So it should be [tex]cos^{-1}[/tex] (2/9) in your calculator. Press enter and you should have 77.16041161.

Here are some scientific calculators and where to find their buttons:

View image crystal3603813
View image crystal3603813
View image crystal3603813
Dandydestiny

Answer

Cos inverse of ( 2/9) is equal to 77.1604

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