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  1. Thought blocker

    Chemistry: Post your doubts here!

  2. Thought blocker

    Mathematics: Post your doubts here!

    I got it. Maybe u have done some mistake, it will be sin(x)/cos(x) = (-2sqrt(3) + sqrt(2))/(2-sqrt(2)) now u will get it when u add 180 degress to ur x to make it in the domain.
  3. Thought blocker

    Mathematics: Post your doubts here!

    what is answer?
  4. Thought blocker

    Mathematics: Post your doubts here!

    why wrong?
  5. Thought blocker

    Mathematics: Post your doubts here!

    yes.
  6. Thought blocker

    Physics: Post your doubts here!

    http://dynamicpapers.com/wp-content/uploads/2015/09/9702_m16_qp_42.pdf Q5(b)
  7. Thought blocker

    Mathematics: Post your doubts here!

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

    Mathematics: Post your doubts here!

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

    Help needed with mechanics question

    https://answers.yahoo.com/question/index?qid=20100214073237AAmdOKV
  10. 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)
  11. Thought blocker

    Mathematics: Post your doubts here!

    Yes. It doesnt.
  12. Thought blocker

    Mathematics: Post your doubts here!

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

    Chemistry: Post your doubts here!

    Anhydrous AlCl3 + C12H25Cl
  14. 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.
  15. Thought blocker

    Chemistry: Post your doubts here!

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

    Welcome to XPC.

    Welcome to XPC.
  17. 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|
  18. 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.
  19. Thought blocker

    Chemistry: Post your doubts here!

    D?
  20. Thought blocker

    Chemistry: Post your doubts here!

    A?
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