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ttop0816

  • 2 years ago

would i be correct?! Find the solution set of the given equation for 0 ≤ x ≤ 2π. -5 - 2cosx = -6 {pi,2pi/3} {pi,5pi/3} <<< i chose this (:

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  1. hartnn
    • 2 years ago
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    yup, correct :)

  2. ttop0816
    • 2 years ago
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    @hartnn how about for this one?? Find the solution set of the given equation for 0 ≤ x ≤ 2π. -tanA = -1 {pi/4,3pi/4 } <<?? {pi/4,5pi/4 } {3pi/4,5pi/4 } {3pi/4,7pi/4 }

  3. hartnn
    • 2 years ago
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    nopes, tan pi/4 =1 but tan 3pi/4 is not 1

  4. ttop0816
    • 2 years ago
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    then it would be pi/4, and 5pi/4 perhaps?

  5. hartnn
    • 2 years ago
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    yup!

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