Search results

  1. T

    Complex No q

    Stuck on part iii beta of this q thanks in advance
  2. T

    Trig Identity Question

    Prove the following identity [sin A/(1 + cos A)] + [1 + cos A/(sin A)] = 2 cosec A Thanks in advance
  3. T

    Differentiation Using first principle Q

    How do you differentiate this Q: 3 sqrt x using first principle. I got up to here and I got stuck; Not sure if its right though 3(sqrt x + h) - 3 sqrt x / h
  4. T

    Differentiation Question (Showing first derivative of something)

    I'm stuck with this differentiation question: Given y= x(x+1)^3, Show that dy/dx = (4x+1)(x+1)^2 So far, this is what I've done ( I'm not too sure if I'm correct) You use the product rule and the chain rule, and I got u=x, u'=1 v=(x+1)^3, v'=3(1)(x+1)^2 (You use the chain rule...
  5. T

    Cone Question

    A cone is made by joining together the radii of the sector of a circle of radius 16 cm. The radius of the base of the cone is 4 cm. Find: i) The circumference ii) The angle at the centre of the sector iii) The curved surface of the cone What I'm struggling to understand is how the...
  7. T

    Logarithms help

    Not sure if this is 2 unit or ext, but I’m stuck with these log questions. I can’t seem to find the log rule which is required to solve the questions. Any help/working out is appreciated. Thank in advance. a) 3^2x - 9.3^x - 10 = 0 b) 4^x – 13(2^x) + 40 = 0 c) 5^2x – 28.5^x + 75 = 0
  8. T

    What's the name of this song?

    Does anyone know the name and singer of this song? I've only got a rough outline of the lyrics; They go something like this: talk to me you speak with me don't sink before you rise baby don't fade away you hesitate you seem to wait for all the time we had feels like a world away so who's to...
  9. T

    History Assignment Help (Looking for Interviewee-Lived through 1945-1975)

    History Assignment Help (Looking for Interviewee) Hey everyone I need some help for a history assignment-As the title says, I need a interviewee from the post War Period in Australia. So someone who lived through and experienced POST WAR AUSTRALIA-1945 to 1975. If you know anyone that...
  10. T

    School Cert and HSC

    My mum heard from a friend that some of your marks in your SC go towards your HSC mark. Something like if you do well in history in SC, you get extra marks in years 11 and 12. Is this true? I thought that marks in SC didn't affect years 11 and 12.. and I'm just wondering where that friend...
Top