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  1. H

    Report Writing

    Hi If a assessment tells us to write a maximum of 800 words (typed) and I go over lets say 300 to 400 words, will I get penalised? If so how many marks will get deducted since my assignment is out of 40 marks? How much am I allowed to go over the maximum? Thanks :)
  2. H

    Max and Min Problems help needed

    Hi Can you guys please help me with these 4 questions from the math in focus tetbook. I spent about an hour doing these questions and my answers were wrong. Can you guys show me the work solutions to these questions as I have an exam tomorrow on geo-calculus? Thanks
  3. H

    Hi Just wondering how much is the physics in focus textbook and is it still available? If I...

    Hi Just wondering how much is the physics in focus textbook and is it still available? If I buy can we meet anywhere between parramatta and cabramatta station? Thanks
  4. H

    Scientific Variables and diagrams

    Hi For my experimental report is it necessary to list all the independent, dependent and controlled variables in a list or a table or do I state those variables if I been given an analysis question only because at the moment none of my class mates know what the experiment actually is until...
  5. H

    Is $20 ok then?

    Is $20 ok then?
  6. H

    So how much are you selling it for because I think $15 is a reasonable price considering you are...

    So how much are you selling it for because I think $15 is a reasonable price considering you are not doing business studies anymore.
  7. H

    Hi I just want to ask if you have any resources such as exams and notes on the year 11 physics...

    Hi I just want to ask if you have any resources such as exams and notes on the year 11 physics module "moving about"
  8. H

    Finding General Solution

    Sorry guys, I have a few more homework questions I couldn't do. I attempted the but my answers are wrong:vcross: Could you guys provide me with the working out and solutions as well. Prove the following 41. sin5x-sin3x _________ = tanx cos5x + cos 3x 42. sinx + siny...
  9. H

    Finding General Solution

    Thanks
  10. H

    Finding General Solution

    I was doing my trig homework and i have some difficulties with these questions. Could anyone please show me the full working out to these questions so i could see where have i gone wrong. For questions 8, 10 and 48 my solutions was way off the correct answer and for question 9, I got my...
  11. H

    Double Angle Formula

    Thank you:D
  12. H

    Double Angle Formula

    The book I got it from was Maths in focus 1. Anyways I still want to know how to split the LHS because I dont know how to solve an equation with a multiple in the question as stated in question 54. Although, could you please help me with the rest?
  13. H

    Double Angle Formula

    Sorry man, I dont know what do you mean by expand to single expressions?
  14. H

    Double Angle Formula

    Sorry, The question states to prove as an identity
  15. H

    Double Angle Formula

    Ok, These questions that I am asking to you guys I dont know how to do them so please help me solve them so I can do these questions again if they come out in the exam. 54. tan(x+45)tan(x-45) =1 55. tan2x - tanx ___________ = tan^2x tan2x + cotx 43. cos4x = 8cos^4x - 8cos^2x...
  16. H

    Double Angle Formula

    Thank you guys. I also need help with proving identities. Could you guys provide me with some examples from easy Q's to hard Q's. Als is it ok if i post a few hard questions that i could not do from a textbook?
  17. H

    Double Angle Formula

    I just want to ask you guys a few questions.Firstly, the double angle formula for cos has 3 different types. How do people know which one to use? I also want to know how do you change a product to sum or differences. Lastly, do questions specifically state when to use the auxiallary angle...
  18. H

    Trigonometry questions

    Oh sorry, I just want the general answer
  19. H

    Trigonometry questions

    Could someone please show me the working out for these questions? 1.sin3x =sin2x 2. sin2x=tanx 3. tan(a - pi/3) = -3 4. sin 4x-sin2x=0 5. cos3x = cosx 6. 3tan2x = 2tanx
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