Question: Complex Numbers a level question (a) Show that I+ c 1 = 2cos-e -14 . where -a (a) (b) Show that + e 2 ,

Complex Numbers a level question

(a) (b) Show that + e 2 , where 2 Hence or

(a) Show that I+ c 1 = 2cos-e -14 . where -a

(a) (b) Show that + e 2 , where 2 Hence or otherwise. show thal 16i cos

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