Question

The measure of \[\cos^{-1} 0.1522\] to the tenth of a degree...

Answer 1

According to my calculator the answer is 81.2 degrees.

Answer 2

81.2°

Answer 3

usually people show that they're right by posting a solution/explanation..hmmm times have changed

Answer 4

which means use ur calculator

Answer 5

I dont know how to use my calc with these kind of problems so..thanks :)

Answer 6

what does a tenth of a degree mean anyway?

Answer 7

81.2 is just cos^-1 yada yada

Answer 8

which calculator do u use?

Answer 9

but she asked tenth of a degree

Answer 10

I like to inform both
@Lovely95
and
@kropot72
that what you are doing is both against the rules and will get you in trouble.

Answer 11

lol why lovely95

Answer 12

lovely95 was the asker @inkyvoyd

Answer 13

http://www.wolframalpha.com/input/?i=cos%5E%28-1%29+%280.1522%29
This will help u

Answer 14

Cause, she closed it right after she thought she knew the answer.

Answer 15

hmm

Answer 16

Instead of learning how to use a calculator.
Of all things, now people won't even learn how to use calculators? :/

Answer 17

then why skip ajprincess?

Answer 18

ok, sorry, I dint know..but you have to close or you cant open a new question soo...

Answer 19

@Lovely95 , that's the point. One is supposed to make sure they understand their questions one at a time.

Answer 20

Dont worry about it @Lovely95 just instead of getting an answer, ask how u can do that on a calculator,,, it will be better for u than just asking for answers ...

Answer 21

@lalaly i use texas instruments ti-30x bla bla bla....ha

Answer 22

If you don't know how to use your calculator, we can teach you. Give us the model (or picture if you don't know), and we will show you

Answer 23

It's not a good idea to have a calculator if you can't do your homework with it anyways..

Answer 24

Lovely, can you locate a cos button on your calculator?

Answer 25

@Lovely95

Answer 26

Would somebody care to give the details of a solution that avoids the use of a calculator, computer, counting beads, abbacus, knotted string etc. etc.

Answer 27

yes...

Answer 28

Is there \(\cos^{-1}\) near it?

Answer 29

Kropot, maybe power series.

Answer 30

The whole point of these questions is testing one's ability to use a table/calculator/computer anyways. And, most computers use power series for these evaluations anyways.

Answer 31

yea, its like on top but its not a button, its printed right above it...

Answer 32

Ok, can you find a 2nd button or a shift button?

Answer 33

@inkyvoyd Oh good. What fun!

Answer 34

it's usually next to the alphabet button.

Answer 35

It's probably at the top left, and in a different color.

Answer 36

the text on it or the button itself should have the same color as the text the \(\cos^{-1}\) is printed in. @Lovely95

Answer 37

oh ok theres a 2nd button, i got it now..

Answer 38

Now, is your calculator one that can take multiple inputs (like it shows you the expression you typed), or is it a calculator that gives an output as soon as you make your second term?

Answer 39

I mean, does it show what you type in?

Answer 40

yes, it shows what i type in...

Answer 41

Ok, then press 2nd, then the cos (which has inverse cos above it), then press the number you want (0.1522), then enter.

Answer 42

make sure your calculator is set to degrees and not radians, or whatever unit it is supposed to be. If you aren't sure, it is usually degrees.

Answer 43

ok, ive got it now :) thanks

Answer 44

Alright. THat applies to all of those text things on top of your buttons. That is how you use them :)

Answer 45

:D

Answer 46

Btw, if you don't know how to use the variables (alphabet input), use the alpha button just like the 2nd