Question

how can find of value sin18

Answer 1

Do you mean without a calculator...?

Answer 2

no i mean that total method of solving

Answer 3

I'm not sure what you mean by "total method of solving"... care to explain?

Answer 4

to aap jante kya hai

Answer 5

Google translate didn't help me... except point out that you might be speaking Finnish.

Answer 6

lol..

Answer 7

He said what do you mean...

Answer 8

So he said what do you mean after I asked him what he meant? so we were basically stuck in a loop of not understanding each other.

Answer 9

I think its a language barrier...

Answer 10

You don't say? Here i thought "to aap jante kya hai" was perfect english :P

Answer 11

I know sounds so pure!

Answer 12

haha :)

Answer 13

Think hes from India, they dont let you use calculators there so he was probably like huh????

Answer 14

haha oh i see

Answer 15

\[sin(x)=\frac{1}{1!}x^1-\frac{1}{3!}x^3+\frac{1}{5!}x^5-\frac{1}{7!}x^7~\pm...\]
so the question would be, how accurate do you need the results?

Answer 16

the sum of the first 3 terms are accurate to 5 decimal points