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  1. skillstriker

    Trigonometric Identities

    Can someone please help me with this question as well: Prove that (cot*t + cosec*t)2 = (1+cost)/(1-cost)
  2. skillstriker

    Trigonometric Identities

    Thanks!
  3. skillstriker

    Trigonometric Identities

    Express sin(theta) and cos(theta) in terms of a, b and c asin2(theta) + bcos2(theta) = c
  4. skillstriker

    What textbooks do you use?

    Do you have a certain type or combination of textbooks that you use for Advanced Maths? Why do you choose those textbook/s?
  5. skillstriker

    trigonometric ratios

    Thanks Peeik and Carrotsticks! What's the auxillary angle method?? Which one is the easiest :P
  6. skillstriker

    trigonometric ratios

    Find all the values of theta between 0o and 360o​ for which: sin(theta) + (sqrt3)cos(theta) = 0
  7. skillstriker

    factorisation

    thanks so much!!! And yeah, i typed the question out wrong.
  8. skillstriker

    factorisation

    How does 32n-1 - 1 = (3n+1)(3n-1) ------------------------------------------- It seems like the difference of 2 squares however I just can't work out how it factorises.
  9. skillstriker

    Logarithms - Need Help!!!

    need help with another question - loga2 = logb16. Show that b = a4 Full working please!! Thanks.
  10. skillstriker

    Logarithms - Need Help!!!

    Thanks!
  11. skillstriker

    Logarithms - Need Help!!!

    Find the relationship between x and y that does not involve logarithms: log10(1+y) - log10(1-y) = x -------------------------------------------------------------------- When I try to do this question i get `y = 10x - 10xy - 1 BUT the answer is y = (10x - 1) / (10x + 1)
  12. skillstriker

    need maths past papers

    Could someone please send me some Yr 11 Mathematics Advanced past papers (term 1 and half yearlies preferably)??
  13. skillstriker

    Easy Surds Question (Maths in focus)

    Thanks. how many steps should i be able to do it in?? I end up getting what looks like a really big equation (see attachment)!!! There has to be a quicker way.
  14. skillstriker

    Easy Surds Question (Maths in focus)

    What is a quick way of solving this?
  15. skillstriker

    Please check your PM

    Please check your PM
  16. skillstriker

    What are people doing in Maths 2U?

    What topics have people done in Maths Advanced so far???
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