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5 Written questions

5 Matching questions

  1. cos(a+b) + cos(a-b)
  2. cos(1/2x)
  3. sin(a-b)
  4. tan(1/2x)
  5. sin2x
  1. a 2cosacosb
  2. b 2sinxcosx
  3. c sinacosb-cosasinb
  4. d 1-cosx/sinx
  5. e +-√1/2(1+cosx)

5 Multiple choice questions

  1. -tanx
  2. 2cos1/2(x+y)sin1/2(x-y)
  3. 2sinacosb
  4. 2cos1/2(x+y)cos1/2(x-y)
  5. 2cos^2x-1

5 True/False questions

  1. cot^2x + 1-cotx

          

  2. cos(a+b)cosacosb-sinasinb

          

  3. sec(-x)secx

          

  4. tan(1/2x)sinx/1+cosx

          

  5. cos^2 x + sin^2 x1

          

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