Maths C4 Trig formulae (OCR MEI)

Beschreibung

Quiz to test the required trig formulae for C4, designed with OCR MEI spec in mind, but probably useful for others
Zacchaeus Snape
Quiz von Zacchaeus Snape, aktualisiert more than 1 year ago
Zacchaeus Snape
Erstellt von Zacchaeus Snape vor fast 10 Jahre
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47

Zusammenfassung der Ressource

Frage 1

Frage
Write cos2x in terms of sinx
Antworten
  • 1+ 2sin²x
  • 1-2sin²x
  • 1+sin²x
  • 1-sin²x

Frage 2

Frage
Write cos2x in terms of cosx
Antworten
  • 2cos²x + 1
  • cos²x -1
  • 2cos²x - 1
  • cos²x + 1

Frage 3

Frage
Write sin²x in terms of cos2x
Antworten
  • ½(1 + cos2x)
  • ½(1 - cos2x)
  • ½cos2x
  • 1 - cos2x

Frage 4

Frage
Write cos²x in terms of cos2x
Antworten
  • ½(cos2x + 1)
  • ½(cos2x - 1)
  • cos2x -1
  • cos2x + 1

Frage 5

Frage
Write cos²x in terms of cos2x
Antworten
  • ½(cos2x + 1)
  • ½(cos2x - 1)
  • cos2x -1
  • cos2x + 1

Frage 6

Frage
Express cos2x in terms of sinx and cosx
Antworten
  • cos²x - sin²x
  • cos²x + sin²x
  • sin²x - cos²x
  • 2cos²x - sin²x

Frage 7

Frage
Express sin2x in terms of sinx and cosx
Antworten
  • 2sinxcosx
  • 2sinx + cosx
  • 2cosx + sinx
  • 2(sinx + cosx)

Frage 8

Frage
secx =
Antworten
  • 1/cosx
  • 1/sinx
  • 1/tanx

Frage 9

Frage
cosecx =
Antworten
  • 1/sinx
  • 1/cosx
  • 1/tanx

Frage 10

Frage
cotx =
Antworten
  • 1/tanx
  • 1/cosx
  • 1/sinx

Frage 11

Frage
What is the small angle approximation for sinθ?
Antworten
  • θ
  • 1 - θ
  • 1 - 2θ

Frage 12

Frage
What is the small angle approximation for cosθ?
Antworten
  • 1 - θ²/2
  • 1 - θ²
  • θ
  • θ²

Frage 13

Frage
What is the small angle approximation for tanθ?
Antworten
  • θ²
  • θ
  • 1 + θ
  • θ - 1
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