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5 Written questions

5 Matching questions

  1. cos u/2
  2. sum of an arithmetic series
  3. nth term of a geometric sequence
  4. sum of a geometric series
  5. cos (u-v)
  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 cos u cos v + sin u sin v
  5. e ± √ (1 + cos u) /2

5 Multiple choice questions

  1. sin u cos v + cos u sin v
  2. a1
    ----
    1-r if -1<r<1
  3. ± √ ( 1 - cos u) / 2
  4. a1 + ( n - 1) d
  5. 1-cos 2u
    -------------
    2

5 True/False questions

  1. tan^2 u1 - cos 2u
    ----------------
    1+ cos 2u

          

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

          

  3. tan u/2± √ ( 1 - cos u) / 2

          

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

          

  5. cos 2u1 + cos 2u
    ----------------
    2