B2

The exercise was created 2022-04-27 by Alvalarssons. Question count: 8.

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Select questions (8)

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  • Trigonomiska ettan cos^2x+sin^2
  • sin 45 och cos 45 1/sqrt(2)
  • cos 60 och sin 30 1/2
  • cos 30 och sin 60 sqrt(3)/2
  • cos 2x cos^2x - sin^2x
  • sin 2x 2*sinx*cosx
  • cos ^2x (1+cos^2x)/2
  • sin^2x (1-cos 2x)/2

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