Question

how to plug in trigonometry problems into a TI-83 calculator. Ex: sin X = (11/26)

Answer 1

well i got 2.36 repet ok

Answer 2

know x is 2.36

Answer 3

man ok hold on

Answer 4

wait its sin X = (11/26)
my teacher key sheet said its 26?

Answer 5

i mean sin X = (11/25)

Answer 6

I just need help plugging it to a calcutlator

Answer 7

calculator*

Answer 8

sine is 26

Answer 9

do u know how

Answer 10

tho

Answer 11

no i dont know how to plug it into a calculator, thats the only part i need help on. I have a TI-83

Answer 12

26x=(11/26)

Answer 13

try that

Answer 14

then tell me what happen

Answer 15

woah i got 0?

Answer 16

i just need help from a questions that needs to plugged in but i dont know how, from sin X = (11/25) how do i plug it in? from there it should be 26

Answer 17

wee the x is put the 26

Answer 18

lol srry i mean were

Answer 19

what is a TI-83?is that some special kind of calculator?...if it has shift all you have to do is press shift then sin(11/25)...

Answer 20

no that is the problem

Answer 21

what do you mean dkglenn?

Answer 22

ti-83 that is what he hase know ok but he need the sin and the sin is 26 but he need to plug it in the calculater.

Answer 23

that he does not know how

Answer 24

did u get it temmayy

Answer 25

i think he did lol

Answer 26

nah, im still trying to plug in the numbers into my calculator to end up with 26, cause the answer sheet says 26 but everything i tryed it still hasnt worked, the problem is sin X (11/25) int he end X will be 26

Answer 27

does this calculator have a sign button?

Answer 28

i meant 'sin'

Answer 29

yes

Answer 30

then you must hit the yellow button that says 2nd before you hit the sine button...2nd is equivalent to shift...did you try that?

Answer 31

OHH SNAP THANKS MAN!

Answer 32

glad that it worked...

Answer 33

God_in_me is correct - he is showing you how to access the sin^(-1) function.
sin^(-1) is the inverse function of the sin function. It is also know as the Cosecant.

So to solve your equation this is what your actually doing.
"Solve for x...
\[\frac{1}{\sin}*\sin(X)=\frac{1}{\sin}*\frac{11}{26}=(\sin^{-1})(11\div26)\]

Answer 34

It's kind of like dividing both sides by 5 in this equation.
\[5x=100\]
But you need to know how to find the inverses of your three main trig functions.