Tobechi Egole
Quiz by , created more than 1 year ago

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

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Zacchaeus Snape
Created by Zacchaeus Snape over 8 years ago
Tobechi Egole
Copied by Tobechi Egole over 8 years ago
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Maths C4 Trig formulae (OCR MEI)

Maths C4 Trig formulae (OCR MEI)

Question 1 of 13

1

Write cos2x in terms of sinx

Select one of the following:

  • 1+ 2sin²x

  • 1-2sin²x

  • 1+sin²x

  • 1-sin²x

Explanation

Question 2 of 13

1

Write cos2x in terms of cosx

Select one of the following:

  • 2cos²x + 1

  • cos²x -1

  • 2cos²x - 1

  • cos²x + 1

Explanation

Question 3 of 13

1

Write sin²x in terms of cos2x

Select one of the following:

  • ½(1 + cos2x)

  • ½(1 - cos2x)

  • ½cos2x

  • 1 - cos2x

Explanation

Question 4 of 13

1

Write cos²x in terms of cos2x

Select one of the following:

  • ½(cos2x + 1)

  • ½(cos2x - 1)

  • cos2x -1

  • cos2x + 1

Explanation

Question 5 of 13

1

Write cos²x in terms of cos2x

Select one of the following:

  • ½(cos2x + 1)

  • ½(cos2x - 1)

  • cos2x -1

  • cos2x + 1

Explanation

Question 6 of 13

1

Express cos2x in terms of sinx and cosx

Select one of the following:

  • cos²x - sin²x

  • cos²x + sin²x

  • sin²x - cos²x

  • 2cos²x - sin²x

Explanation

Question 7 of 13

1

Express sin2x in terms of sinx and cosx

Select one of the following:

  • 2sinxcosx

  • 2sinx + cosx

  • 2cosx + sinx

  • 2(sinx + cosx)

Explanation

Question 8 of 13

1

secx =

Select one of the following:

  • 1/cosx

  • 1/sinx

  • 1/tanx

Explanation

Question 9 of 13

1

cosecx =

Select one of the following:

  • 1/sinx

  • 1/cosx

  • 1/tanx

Explanation

Question 10 of 13

1

cotx =

Select one of the following:

  • 1/tanx

  • 1/cosx

  • 1/sinx

Explanation

Question 11 of 13

1

What is the small angle approximation for sinθ?

Select one of the following:

  • θ

  • 2θ

  • 1 - θ

  • 1 - 2θ

Explanation

Question 12 of 13

1

What is the small angle approximation for cosθ?

Select one of the following:

  • 1 - θ²/2

  • 1 - θ²

  • θ

  • θ²

Explanation

Question 13 of 13

1

What is the small angle approximation for tanθ?

Select one of the following:

  • θ²

  • θ

  • 1 + θ

  • θ - 1

Explanation

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