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    Negative inner journeys

    I am trying to think of some negative inner journeys to supplement Empire of the Sun for my English Paper 1 coming up in a few weeks. Any suggestions?
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    Math's problem killing me

    Yes it is now complete and thanks for the help. BTW was my answer to part (i) correct?
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    Math's problem killing me

    Yeh sorry Part (ii) should read: ii) Write out the first 3 values of x for which sin(2x-1) = 1
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    Math's problem killing me

    Can't make any sense at all out of this question: Consider the geometric series 1 + sin(2x-1) + sin^2(2x-1) + sin^3(2x-1) ....... (x is in radians) i) Write the constant ratio. (This is easy, it is sin(2x-1)) ii) Write out the first 3 values of x for which sin(2x-1) These values form an...
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    FM Broadcasting

    Sorry if this sounds ignorant but I am really bad at Physics (it's going to be my downfall in my HSC marks). But, how does FM convey both the frequency (pitch) and the amplitude (loudness) of the imposed audio signal?
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    Ridiculous mathematics question

    I have come across this in one of my assignments. My teacher is in Mumbai and my stand-in teacher doesn't have a clue how to solve this. I was wondering if any of you can help? Here is the question: For the quadratic equation: x^2 - px + 9 = 0 By x^2 i mean x squared...
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