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anonymous

  • one year ago

csc(x)cot(x)(1-cos^2(x))=___x Can anyone help me?

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  1. anonymous
    • one year ago
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    I'm not sure how to use identities to solve this, but that seems to be what it is asking me to do. If anyone can show me step by step how to solve this it would be great.

  2. anonymous
    • one year ago
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    I think I have gotten to \[1/\sin(x)((1/\cos(x))-\cos(x))\]

  3. Loser66
    • one year ago
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    |dw:1438566749870:dw|

  4. Loser66
    • one year ago
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    |dw:1438566791109:dw|

  5. anonymous
    • one year ago
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    Okay I get that so why can I cancel out the sin?

  6. anonymous
    • one year ago
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    @Loser66

  7. anonymous
    • one year ago
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    I understand the replacing with the identity but I'm not sure what you did other than that

  8. anonymous
    • one year ago
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    Oh wait! So does that mean all I have left is just cos? So I cancel them out from numerator to denominator to get cos(x)? @Loser66

  9. Loser66
    • one year ago
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    yup

  10. anonymous
    • one year ago
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    Okay thank you very much!

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