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ballerinaxbb Group Title

Use basic identities to simplify the expression. cot θ sec θ sin θ

  • one year ago
  • one year ago

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  1. henpen Group Title
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    \[\cot=1/\tan\] \[\tan=sin/cos\] \[sec=1/cos \]

    • one year ago
  2. ballerinaxbb Group Title
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    Ok, can you explain further?

    • one year ago
  3. henpen Group Title
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    Use the first 2 equations to get \[cot=cos/sin \]

    • one year ago
  4. ballerinaxbb Group Title
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    Ok

    • one year ago
  5. ballerinaxbb Group Title
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    So is it cos/sin times 1/cosx times 1/cscx ???

    • one year ago
  6. ballerinaxbb Group Title
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    @henpen

    • one year ago
  7. ballerinaxbb Group Title
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    Ok so it's csc^2x

    • one year ago
  8. henpen Group Title
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    \[\frac{\cos}{\sin}\sin \frac{1}{\cos}=1\]

    • one year ago
  9. ballerinaxbb Group Title
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    So is it csc^2x ? @henpen

    • one year ago
  10. henpen Group Title
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    Sorry for my last post, I forgot it was sin. No, it's 1 I think

    • one year ago
  11. ballerinaxbb Group Title
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    Oh

    • one year ago
  12. henpen Group Title
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    cot θ sec θ sin θ (cos θ/sin θ) (1/cos θ) sin θ

    • one year ago
  13. ballerinaxbb Group Title
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    Oh ok got it, thanks so much :)

    • one year ago
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