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Double Angle Identities: College Math MCQs App & e-Book - 275

MCQ: 275

Cos2α =

  1. 2cos²α + 1
  2. 2cos²α -1
  3. 2sin²α +1
  4. 2sin²α - 1

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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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8th Grade Math App (Android & iOS)

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10th Grade Math App (iOS & Android)