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  1. Thought blocker

    Mathematics: Post your doubts here!

    2cosθ(√3/2) + s2inθ(1/2)
  2. Thought blocker

    Mathematics: Post your doubts here!

    Use addittion formulas, and solve it.
  3. Thought blocker

    Help needed with mechanics question

    https://answers.yahoo.com/question/index?qid=20100214073237AAmdOKV
  4. Thought blocker

    Mathematics: Post your doubts here!

    Oh i didnt get this before :/ idk why. (1 + i) (- 3i) = 3 - 3i draw the circle with origin at u and radius being absolute of u. basically that is asking us to drow locus of |z - (-2/5 + 11/5i)| = sqrt(5)
  5. Thought blocker

    Mathematics: Post your doubts here!

    Yes. It doesnt.
  6. Thought blocker

    Mathematics: Post your doubts here!

    http://justpastpapers.com/wp-content/uploads/2016/05/scan0107.jpg
  7. Thought blocker

    Chemistry: Post your doubts here!

    Anhydrous AlCl3 + C12H25Cl
  8. Thought blocker

    Mathematics: Post your doubts here!

    Just make argand digram like any simple graph thats it, and plot the points as given. If u are not asking for this, i am not getting what are u asking for.
  9. Thought blocker

    Chemistry: Post your doubts here!

    Kp = 1^2/(28)^2
  10. Thought blocker

    Welcome to XPC.

    Welcome to XPC.
  11. Thought blocker

    Mathematics: Post your doubts here!

    ii) Draw haf line with centre at u at angle of pi/4 draw perpendicular from line to origin, and find its distance that is least value of |Z| iii) Draw circle with centre (1 + i)u with radius 1. and the distance from origin to the maximum distance of circle is greatest value of |Z|
  12. Thought blocker

    Mathematics: Post your doubts here!

    Remaining question : http://justpastpapers.com/wp-content/uploads/2016/05/scan0103-1.jpg : paper 32 paper 33 : Draw argand diagram with point OABC shown clearly, prove two oposite sides are equal and show its gradient are same it is parallelogram. angle can be calculated using cosin rule.
  13. Thought blocker

    Chemistry: Post your doubts here!

    D?
  14. Thought blocker

    Chemistry: Post your doubts here!

    A?
  15. Thought blocker

    Chemistry: Post your doubts here!

    Write it down in a piece of a chart paper, with colorful sketchpens as mind can capture colorful things much faster, stick it somewhere where u will look at that place frequently memorise them when u go to sleep and try to make that chart picture in ur head n try to memorize like that
  16. Thought blocker

    Mathematics: Post your doubts here!

    The complex numbers needs instruments which i dont have with me atm, as soon as i go home i will do it, well one question is attached which may be confusing, i will post that again too if u dont get it, do check my answers the pictures attached are in order wise , first question is for techgeek...
  17. Thought blocker

    Mathematics: Post your doubts here!

    In ms its written that 2 or equivalent. So dont worry, your marks wont be deducted if u ggot final answer similar to that in ms.
  18. Thought blocker

    Mathematics: Post your doubts here!

    That expression if u try, wont give any value after some value maybe 4 or 5, try it, calc will show an error. Lol, i dont know that.. :P
  19. Thought blocker

    Mathematics: Post your doubts here!

    I get the same, eventually, at last i got same expression. 3600/1800 will at last be 2, so its one and the same thing.
  20. Thought blocker

    Mathematics: Post your doubts here!

    Dont worry about that, at last your expression will be the same as the answer.
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