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Schleman

  • 2 years ago

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

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  1. pgpilot326
    • 2 years ago
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    tan^2 x + 1 = sec^2 x

  2. pgpilot326
    • 2 years ago
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    also 1/sec x = cos x

  3. Schleman
    • 2 years ago
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    but it is sec^2x so is the answer cos^2x?

  4. Noliec
    • 2 years ago
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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.

  5. Noliec
    • 2 years ago
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    At that stage my guess is that you'll easily spot something beautiful! :D

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