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5 Written questions

5 Matching questions

  1. sum of infinite geometric series
  2. sin 2u
  3. sin (u-v)
  4. sum of a geometric series
  5. sin (u+v)
  1. a a1
    ----
    1-r if -1<r<1
  2. b 2 sin u cos u
  3. c sin u cos v - cos u sin v
  4. d Sn = a1 ( [1-r^(n-1) / 1-r ] )
  5. e sin u cos v + cos u sin v

5 Multiple choice questions

  1. ± √ (1 + cos u) /2
  2. 1 + cos 2u
    ----------------
    2
  3. 2tan u
    -----------------
    1- tan^2 u
  4. cos u cos v + sin u sin v
  5. 1-cos 2u
    -------------
    2

5 True/False questions

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

          

  2. sin u/2± √ ( 1 - cos u) / 2

          

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

          

  4. cos 2u1 + cos 2u
    ----------------
    2

          

  5. sum of an arithmetic seriesSn = a1 ( [1-r^(n-1) / 1-r ] )

          

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