Maths C4 Trig formulae (OCR MEI)

1. 1Write cos2x in terms of sinx

   1. A1+ 2sin²x
   2. B1-2sin²x
   3. C1+sin²x
   4. D1-sin²x
2. 2Write cos2x in terms of cosx

   1. A2cos²x + 1
   2. Bcos²x -1
   3. C2cos²x - 1
   4. Dcos²x + 1
3. 3Write sin²x in terms of cos2x

   1. A½(1 + cos2x)
   2. B½(1 - cos2x)
   3. C½cos2x
   4. D1 - cos2x
4. 4Write cos²x in terms of cos2x

   1. A½(cos2x + 1)
   2. B½(cos2x - 1)
   3. Ccos2x -1
   4. Dcos2x + 1
5. 5Write cos²x in terms of cos2x

   1. A½(cos2x + 1)
   2. B½(cos2x - 1)
   3. Ccos2x -1
   4. Dcos2x + 1
6. 6Express cos2x in terms of sinx and cosx

   1. Acos²x - sin²x
   2. Bcos²x + sin²x
   3. Csin²x - cos²x
   4. D2cos²x - sin²x
7. 7Express sin2x in terms of sinx and cosx

   1. A2sinxcosx
   2. B2sinx + cosx
   3. C2cosx + sinx
   4. D2(sinx + cosx)
8. 8secx =

   1. A1/cosx
   2. B1/sinx
   3. C1/tanx
9. 9cosecx =

   1. A1/sinx
   2. B1/cosx
   3. C1/tanx
10. 10cotx =

    1. A1/tanx
    2. B1/cosx
    3. C1/sinx

11. 11What is the small angle approximation for sinθ?

    1. Aθ
    2. B2θ
    3. C1 - θ
    4. D1 - 2θ
12. 12What is the small angle approximation for cosθ?

    1. A1 - θ²/2
    2. B1 - θ²
    3. Cθ
    4. Dθ²
13. 13What is the small angle approximation for tanθ?

    1. Aθ²
    2. Bθ
    3. C1 + θ
    4. Dθ - 1

Beschreibung

Quiz to test the required trig formulae for C4, designed with OCR MEI spec in mind, but probably useful for others

Autor

Tobechi Egole

Sprache

English

Aufrufe

10

Schlagwörter

mathsa leveltrigtrigonometrymathematicsmathgcse

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