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Thread: Complex number proof question

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    Student Karldahemster's Avatar
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    Complex number proof question

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    Re: Complex number proof question

    Let where

    HSC 2018 - [English Adv.] • [Maths Ext. 1] • [Maths Ext. 2] • [Chemistry] • [Software Design and Development]

    1(3√3) t2 dt cos(3π/9) = log(3√e) | Integral t2 dt, From 1 to the cube root of 3. Times the cosine, of three pi over nine, Equals log of the cube root of e.

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    Re: Complex number proof question

    Quote Originally Posted by fan96 View Post
    Let where

    Thank you.
    But I don't get what you did in the second line of working.
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    Re: Complex number proof question

    HSC 2018 - [English Adv.] • [Maths Ext. 1] • [Maths Ext. 2] • [Chemistry] • [Software Design and Development]

    1(3√3) t2 dt cos(3π/9) = log(3√e) | Integral t2 dt, From 1 to the cube root of 3. Times the cosine, of three pi over nine, Equals log of the cube root of e.

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    Re: Complex number proof question

    Ah, that clears it up. Thanks alot!
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