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Schleman Group Title

use the fundemental identities to simplify the expression. 1/tan^2x + 1

  • one year ago
  • one year ago

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  1. pgpilot326 Group Title
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    tan^2 x + 1 = sec^2 x

    • one year ago
  2. pgpilot326 Group Title
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    also 1/sec x = cos x

    • one year ago
  3. Schleman Group Title
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    but it is sec^2x so is the answer cos^2x?

    • one year ago
  4. Noliec Group Title
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    What you know is that 1/(tan^2x)+1=1/(sin^2x/cos^2x)+1 which is equal to cos^2x/(sin^2x) + 1, write this on a common denominator.

    • one year ago
  5. Noliec Group Title
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    At that stage my guess is that you'll easily spot something beautiful! :D

    • one year ago
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