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    Question for S08 Maths Paper 3

    i cant understand what was the question, s08 Maths Paper 3 Question 5. how can i approach it? 5. The variable complex number Z is given by z=2cos x + i(1-2sinx) where x takes all values in the interval -Л < x ≤ Л (1) show that |z-i|=2, for all values of x. Hence sketch, in an...
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