Question

If cos(x/2).cos(x/4).cos(x/8)...=(sinx)/x

Then find the value of :-

0.5tan(x/2) + 0.25tan(x/4) + 0.125tan(x/8).........=?

​

Answer 1

I am your sure but your answer is =

$cc + {t}^{2} \frac{1}{ {10}^{2} }$