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  1. C

    Thanks for accepting my friend request =D

    Thanks for accepting my friend request =D
  2. C

    Polynomials

    Find the roots of the equation x^4+2x^3+6x^2+8x+8=0 given that one of the roots is purely imaginary. Thanks
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    General solutions

    cos4\theta + cos2\theta = \sqrt2cos^2\theta + \frac{1}{\sqrt2}sin2\theta Thanks =D
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    Circle question

    Find the equation of the circle which passes through the points P(-2,-1) and Q(5,-2) and whose centre lies on the line 3x+y+2=0 Thanks =D
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    Complex Vector question

    Hi, I've got a question. Could someone please help me? Thanks =D In the Argand diagram the points A, B, C and D represent the complex numbers α, β, γ and δ respectively. (i) Describe the point which represents (1/2)(α+γ) (ii) Deduce that if α+γ=B+δ then ABCD is a parrallelogram.
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    CSSA 2008 - Polynomials 4d

    lol, this was in our school's trial for 2003. Wonder where they got it from?
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    Trigonometry in Three Dimensions :(!!!!

    Well in his book, there are two main diagram shapes. The "billboard" type and the "two triangle" one. I'll scan it after my trials and post it here.
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    Trigonometry in Three Dimensions :(!!!!

    Ahh okay... Worth noting that although your diagrams work, I think alot of people in the other class in Year 11 who were taught this way of drawing diagrams for 3D trig had alot of trouble. Our class were taught the way Coroneos does it, and I think it's easy personally, and no one in our...
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    HSC Mathematics tutoring in hurstville area, or state library 3u mark 98, 4u mark 96

    Re: HSC Mathematics tutoring in hurstville area, or state library 3u mark 98, 4u mark Wow, that's impressive. Where did you lose your one mark?
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    Trigonometry in Three Dimensions :(!!!!

    Jetblack, how did you do the diagrams? Impressive.
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    hehe okay then. I'll let you guess or ponder XD And yes, I kinda know you... I think

    hehe okay then. I'll let you guess or ponder XD And yes, I kinda know you... I think
  14. C

    Air Resistance

    I actually thought it was like 4 degrees, but our Physics teacher told us that at HSC level that doesn't matter.
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    "do I know you?" -- Well, do you? xP

    "do I know you?" -- Well, do you? xP
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    projectile

    Don't you have to derive all equations for projectiles?
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    Air Resistance

    No air resistance doesn't affect the experiment, at HSC level, as the period isn't affected (much).
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    Accounting Cadetship Night - 21st of May, THIS THURSDAY!

    I don't get why people are so enthusiastic to become an accountant or an auditor... =\ Not the prettiest job in the world, and I'm sure that many who applied are capable of getting a job of a higher superiority.
  20. C

    Hello XD

    Hello XD
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    Integration by subs.

    t-results =D Would be quite messy though.
  22. C

    Applications of calculus to the physical word question

    Re: 回复: Re: Applications of calculus to the physical word question From a past trial.
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    Applications of calculus to the physical word question

    lol, can anyone help me?
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