Which expression represents the standard form a+bia + bia+bi of the complex number 5(cos(π)+isin(π))5(\cos(\pi) + i \sin(\pi))5(cos(π)+isin(π))?
5+5i5 + 5i5+5i
0+5i0 + 5i0+5i
−5+0i-5 + 0i−5+0i
0−5i0 - 5i0−5i