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Inverse Trigonometric Functions

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    Practice all 34 questionsNext: Chapter 3.10A · Trigonometric Equations and InequalitiesBuild a set on this chapter
    Q1Chapter 3.9Medium

    What is the exact value of arccos⁡(cos⁡(5π3))\arccos\left(\cos\left(\dfrac{5\pi}{3}\right)\right)?

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