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Notes
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1. zn = 1/n is a counter-example. 2. See the notes. 3. See the notes. 4. Directly, or use 2 sin z cos z = sin (2z). |
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Notes
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1. zn = 1/n is a counter-example. 2. See the notes. 3. See the notes. 4. Directly, or use 2 sin z cos z = sin (2z). |
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