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Math Help - Solving equations in Intervals.

  1. #1
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    Solving equations in Intervals.

    How do I do this?
    Solve the equation sec x = -3 in the interval 0 ≤ x ≤ 2pi
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  2. #2
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    Quote Originally Posted by Sxon View Post
    How do I do this?
    Solve the equation sec x = -3 in the interval 0 ≤ x ≤ 2pi
    Start by re-writing the equation as cos x = -1/3.
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