Respuesta :

Answer:

Step C: distributive property

Step D: Tringonometric Sum Identity

Step E: Factoring

Step-by-step explanation:

The correct justification for the indicated steps:

  • Step C: distributive property
  • Step D: Tringonometric Sum Identity
  • Step E: Factoring

Thus, the Proof of de Moivre's Theorem is distributive property, Tringonometric Sum Identity and factoring.

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