how can find of value sin18

Question

agent0smith · Answer

Do you mean without a calculator...?

anonymous · Answer

no i mean that total method of solving

agent0smith · Answer

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

anonymous · Answer

to aap jante kya hai

agent0smith · Answer

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

anonymous · Answer

lol..

anonymous · Answer

He said what do you mean...

agent0smith · Answer

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.

anonymous · Answer

I think its a language barrier...

agent0smith · Answer

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

anonymous · Answer

I know sounds so pure!

agent0smith · Answer

haha :)

anonymous · Answer

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

agent0smith · Answer

haha oh i see

amistre64 · Answer

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

amistre64 · Answer

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