Question: Show that : (i) log (1 + i tan a) = log sec a + ia (ii) Log, (3-1) = 2i (nx - tan-

Show that : (i) log (1 + i tan a) = log

Show that : (i) log (1 + i tan a) = log sec a + ia (ii) Log, (3-1) = 2i (nx - tan- 3+i 42 (iii) (i)i = 42 (cos 2 m3) 42

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