Question: Show that (a) Where zn = Ï/2 + nÏ (n = 0, ±1, ±2, . . .); (b) Where zn = (Ï/2 + nÏ) i

Show that
(a)
Show that (a) Where zn = π/2 + nπ (n = 0,

Where zn = Ï€/2 + nÏ€ (n = 0, ±1, ±2, . . .);
(b)

Show that (a) Where zn = π/2 + nπ (n = 0,

Where zn = (Ï€/2 + nÏ€) i (n = 0, ±1, ±2, . . .);

Res(z secz)(1)+z Res (tanh a) 1

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