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Double Angle Identities Quiz App Free Download & e-Book - 433

MCQ: 433

Cos(α + β)-cos(α - β) =

  1. 2sinαcosβ
  2. 2cosαsinβ
  3. 2cosαcosβ
  4. −2sinαsinβ

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Double Angle Identities App (Android & iOS)

Double Angle Identities App (Android & iOS)

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College Math App (iOS & Android)

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10th Grade Math App (Android & iOS)

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6th Grade Math App (iOS & Android)