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5 Written Questions

5 Matching Questions

  1. tan (u-v)
  2. tan^2 u
  3. cos u/2
  4. tan (u+v)
  5. cos (u-v)
  1. a tan u - tan v
    -----------------
    1 + tan u tan v
  2. b tan u + tan v
    -----------------------
    1 - tan u tan v
  3. c ± √ (1 + cos u) /2
  4. d 1 - cos 2u
    ----------------
    1+ cos 2u
  5. e cos u cos v + sin u sin v

5 Multiple Choice Questions

  1. 1- 2sin^2 u
    2cos^2 u -1
    cos^2 u - sin^2 u
  2. a1
    ----
    1-r if -1<r<1
  3. Sn = n/2 ( 2a1 + (n-1) d )
  4. 2 sin u cos u
  5. 1-cos 2u
    -------------
    2

5 True/False Questions

  1. tan 2u2tan u
    -----------------
    1- tan^2 u

          

  2. nth term of a geometric sequencea n = a1 ( r^(n-1) )

          

  3. sin u/2± √ ( 1 - cos u) / 2

          

  4. tan u/2± √ ( 1 - cos u) / 2

          

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

          

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