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5 Written questions

5 Matching questions

  1. nth term of a geometric sequence
  2. cos^2 u
  3. sum of a geometric series
  4. sum of an arithmetic series
  5. sin u/2
  1. a Sn = n/2 ( 2a1 + (n-1) d )
  2. b a n = a1 ( r^(n-1) )
  3. c Sn = a1 ( [1-r^(n-1) / 1-r ] )
  4. d 1 + cos 2u
    ----------------
    2
  5. e ± √ ( 1 - cos u) / 2

5 Multiple choice questions

  1. cos u cos v - sin u sin v
  2. a1
    ----
    1-r if -1<r<1
  3. 1- 2sin^2 u
    2cos^2 u -1
    cos^2 u - sin^2 u
  4. 2tan u
    -----------------
    1- tan^2 u
  5. sin u cos v + cos u sin v

5 True/False questions

  1. tan u/2± √ ( 1 - cos u) / 2

          

  2. cos (u-v)cos u cos v + sin u sin v

          

  3. sin 2u1-cos 2u
    -------------
    2

          

  4. tan^2 u1-cos 2u
    -------------
    2

          

  5. tan (u+v)tan u - tan v
    -----------------
    1 + tan u tan v