Paper 4, Section I, EComplex Analysis | Part IB, 2009State Rouché's Theorem. How many complex numbers zzz are there with ∣z∣⩽1|z| \leqslant 1∣z∣⩽1 and 2z=sinz?2 z=\sin z ?2z=sinz?Typos? Please submit corrections to this page on GitHub.