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pottersheep Group Title

Please help me with Trig identities Grade 12.... I am soo lost @@ Using double angle formulas, write this as a single trigonomic function: cos^2x - sin^2 x

  • one year ago
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  1. Brittni0605 Group Title
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    Do you know the double angle formulas?

    • one year ago
  2. pottersheep Group Title
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    Yep I found out thanks

    • one year ago
  3. Brittni0605 Group Title
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    Ok, so you should be able to answer your question.

    • one year ago
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spraguer (Moderator)
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