anonymous
  • anonymous
(csc(6x)+cot(6x))/(csc(6x)-cot(6x))=____ (Cot^2)(3x) cot(3x) (cot^2)(6x) tan(6x)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
i got it to (1/sin(6x)+1/tan(6x))/(1/sin(6x)-1/tan(6x)
freckles
  • freckles
hmm... let's try multiplying the top and bottom of the the original expression by the conjugate of the bottom
freckles
  • freckles
I'm thinking about using the identity \[1+\cot^2(\theta)=\csc^2(\theta)\] maybe

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freckles
  • freckles
though this might just be easier to plug in 20 deg into the first expression and see which one below when pluggin 20 degs gives the same result

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