Question

evaluate cot 290 degrees

Answer 1

represent 290˚ in the first quadrant

Answer 2

so it has to be positive? would that make it 2.92

Answer 3

then that is also quad II right?

Answer 4

it must be represented between -90˚ ans +90˚

Answer 5

so is it -0.36

Answer 6

its cot-70… take it as 360-70 = cot290=cot360-70 = cot-70 = -cot70

Answer 7

my choice are -1.06; -0.36; 2.92; -2.75 How do I convert -70 to one of those answers

Answer 8

Pick up your calculator. Enter tan 290. Hit the reciprocal button

Answer 9

its-0.36

Answer 10

where is recip button?

Answer 11

1/x button

Answer 12

Or if you don't have a reciprocal button, when you get tan 290, divide 1 by tan 290

Answer 13

Or if you recognize at the beginning of the problem that cot 290 = 1/tan290, you could enter 1 /tan290

Answer 14

1/tan 290 =.68

Answer 15

Then you entered it wrong.

Answer 16

On my calculator I have to enter 1, divided by, 290, tan, equals

Answer 17

i entered 1/ then tan then 290 then enter

Answer 18

using TI 83 plus

Answer 19

Well try 1 / then 290 then tan then enter.

Answer 20

Or maybe you have to put parentheses around the tan 290

Answer 21

what can I do differently to get right answer?

Answer 22

Did you try the stuff I suggested?

Answer 23

parentheses appear autom

Answer 24

I'm checking the manual right now.

Answer 25

the recip. button? no-I can't find it

Answer 26

if i put 290 before tan then i get error

Answer 27

From what I read, you should put 1 / (tan 290) enter

Answer 28

Have you tried that?

Answer 29

not par. around tan just around 290

Answer 30

still get .68

Answer 31

Then type tan 290, write that number down on a piece of paper. then type 1 / the number you wrote down
Then when you get a chance, ask someone who knows how to use your calculator to help you enter it.

Answer 32

ok I will type it into the computer and see what it tells me thanks for helping me

Answer 33

yw

Answer 34

You have your calculator set in radians. Set it in degrees.

Answer 35

Also your reciprocal key is the fourth row down all the way on the left, with an x-1 icon on it. Should be a black key with white lettering. x-1 means x^-1 which means 1/x

Answer 36

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