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5 Written questions

5 Matching questions

  1. sin(a-b)
  2. tan(a-b)
  3. cos(-x)
  4. cos^2 x + sin^2 x
  5. cos2x
  1. a sinacosb-cosasinb
  2. b cos^2x-sin^2x
  3. c tana-tanb/1+tanatanb
  4. d 1
  5. e cosx

5 Multiple choice questions

  1. -2sin1/2(x+y)sin1/2(x-y)
  2. 1-cosx/sinx
  3. secx
  4. -sinx
  5. sec^2 x

5 True/False questions

  1. cot^2x + 1csc^2 x

          

  2. cos(1/2x)cosx

          

  3. sinx + siny2sin1/2(x+y)cos1/2(x-y)

          

  4. sin(a+b)sinacosb+cosasinb

          

  5. sin(1/2x)+-√1/2(1-cosx)

          

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