trig

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Find all angles θ between 0° and 180° satisfying the given equation. (Enter your answers as a comma-separated list. Round your answers to one decimal place.)

cos θ = 1/7

  • trig -

    cosine is positive in QI and QIV
    Find θ such that cos θ = 1/7

    It is the only angle between 0° and 180° whichc has such a positive cosine value.

  • Trig -

    8.2,171.8 degrees

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