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State the reason for cos^(-1) [ cos ...

State the reason for ` cos^(-1) [ cos (- pi/6 )] ne - pi/6 `

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Knowledge Check

  • cos^(-1)("cos"(7pi)/6) is equal to

    A
    `(7pi)/6`
    B
    `(5pi)/6`
    C
    `(pi)/3`
    D
    `(pi)/6`
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