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UPSC NDA II 2011 Mathematics Paper

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Question : 88

Total: 120

What is the argument of (1−sin‌θ)+i‌cos‌θ?(i=√−1)

‌
π
2
−‌
θ
2
‌
π
2
+‌
θ
2
‌
π
4
−‌
θ
2
‌
π
4
+‌
θ
2

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