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Triple Angle Identities Quiz App & e-Book PDF Download - 347

MCQ 347:

Sin3θ/sinθ +cos3θ/cosθ =

  1. sinθ
  2. 2cot2θ
  3. cosθ
  4. cosθ

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Triple Angle Identities App (Android & iOS)

Triple Angle Identities App (Android & iOS)

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9th Grade Math App (iOS & Android)