Trigonometric EquationMedium
Question
If x + 
= 2 cos θ, then x3 + 
=
= 2 cos θ, then x3 + = Options
A.cos 3θ
B.2 cos 3θ
C.
cos 3θ
cos 3θD.
cos 3θ
cos 3θMore Trigonometric Equation Questions
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