Given that z = cos Ѳ + i sin Ѳ show that 2/(1 + z) = 1 – i tan ½ Ѳ How can I solve that? Please help me.
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Originally Posted by geton Given that z = cos Ѳ + i sin Ѳ show that 2/(1 + z) = 1 – i tan ½ Ѳ How can I solve that? Please help me. Plug'n'chug: -Dan
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