Question

please slove this
and Its and is 2+√3 ​

Answer 1

put the value of 2costheta in the given equation

$\frac{ \sqrt{3} + 1 }{ \sqrt{3} - 1 } \times \frac{ \sqrt{3} + 1}{ \sqrt{3} + 1 } \\ \ \frac{3 + \sqrt{3 } + \sqrt{3} + 1 }{3 - 1} \\ \frac{4 + 2 \sqrt{3} }{2} \\ 2 + \sqrt{3} \: is \: the \: ans$