De Moivre's Theorem Application (Jee Mains) | ExamDuo
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Algebra and Representation of Complex Numbers
Medium
De Moivre's Theorem Application
x +
1
x
= 2 cos θ, then xⁿ +
1
xⁿ
=
SELECT ONE OPTION
A
sin 3nθ
B
cos 3nθ
C
2 sin nθ
D
2 cos nθ
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