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anonymous

  • one year ago

(cosΘ - cosΘ)^2 + (cos Θ + cos Θ)^2 1) sin^2Θ 2) 4 3) 8 4) cos^2Θ

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  1. zepdrix
    • one year ago
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    \[\Large\rm (\color{royalblue}{\cos \theta-\cos \theta})^2+(\cos \theta+\cos \theta)^2\]\[\Large\rm (\color{royalblue}{0})^2+(\cos \theta+\cos \theta)^2\]That... should simplify things down a bit, yah? 0_o

  2. zepdrix
    • one year ago
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    With the other part as well,\[\Large\rm (\color{royalblue}{0})^2+(2\cos \theta)^2\]

  3. zepdrix
    • one year ago
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    Which isn't going to line up with any of these options... hmmmm

  4. random231
    • one year ago
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    what is the point of giving (cos(theta)-cos(theta))^2 when everyone knows its zero. Emmy will you please check the question again?

  5. anonymous
    • one year ago
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    I truly don't know i'm taking an exam and that's exactly what the question says

  6. freckles
    • one year ago
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    "(cosΘ - cosΘ)^2 + (cos Θ + cos Θ)^2"<---by you I wonder if you meant to write \[(\cos(\theta)-\sin(\theta))^2+(\cos(\theta)+\sin(\theta))^2\] but that would still be a choice given

  7. freckles
    • one year ago
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    not be a choice given*

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