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18 December, 21:09

Solve the multiple-angle equation.

2sin2x+sqrt3=0

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Answers (1)
  1. 18 December, 22:56
    0
    Hello:

    2sin2x+√3=0

    2sin2x = - √3

    sin2x = - √3/2

    sin2x = sin ( - π/3)

    general solution in R is : (2x = - π/3 + 2kπ) or (2x = π-π/3 + 2kπ)

    (x = - π/6 + kπ) or (x=π/3+kπ) ... k ∈ Z
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