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If x = cis theta , then find the value o...

If `x = cis theta `, then find the value of `[x^(6) + 1/x^(6)]`.

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The correct Answer is:
2cos6 `theta`
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Knowledge Check

  • If x=CiSθ, then find the value of (x^6+(1/x^6))

    A
    2cos4θ
    B
    cos6θ
    C
    2cos6θ
    D
    cos4θ

  • The minimum value of sin^(6) x + cos^(6) x is

    A
    1
    B
    `3//4`
    C
    `1//4`
    D
    `3//2 `

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