Question: Question 1 (a) Evaluate (1 + v3j)' (b) Find all the roots of the equation cosh z = sin 5 (c) Find u = Re(sec

Question 1 (a) Evaluate (1 + v3j)' (b) Find all the roots of the equation cosh z = sin 5 (c) Find u = Re(sec z) and v =Im(sec z) , z = x + yj. Question 2 Find z such that (a) cosh z = j sinh z (b) cos z = V3j. Question 3 (a) Show that arcsinh(z) = log z + (22 + 1) (b) Evaluate tan-1 (2j) . Question 4 Evaluate the limits using limit properties: 4 1 (a) lim 2- -j z+J

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