If rectangular form of complex number is shown as \(z = \frac{5}{2} + \frac{{5\sqrt 3 }}{2}i\) then its polar form is represented as –
1
\(5\left( {\cos \left( {\frac{{2\pi }}{3}} \right) - isin\left( {\frac{{2\pi }}{3}} \right)} \right)\)
2
\(5\left( {\cos \left( {\frac{\pi }{3}} \right) - isin\left( {\frac{\pi }{3}} \right)} \right)\)
3
\(5\left( {\cos \left( {\frac{{2\pi }}{3}} \right) + isin\left( {\frac{{2\pi }}{3}} \right)} \right)\)
4
\(5\left( {\cos \left( {\frac{\pi }{3}} \right) + isin\left( {\frac{\pi }{3}} \right)} \right)\)