Double Angle: Properties, Rules, Formula & Examples

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

In trigonometry, doubling the angle is the same as which of the following?

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1. Sin2x is the same as which formula?

2. Find the equivalent of Cos x/Sin 2x

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About This Quiz & Worksheet

This lesson focuses on trigonometric equations including definitions and examples of the double angle formula. The assessment serves as a test of your understanding of the terms and equations by asking practice problems.

Quiz & Worksheet Goals

This quiz uses practice problems to gauge your understanding of:

  • Tangent
  • Sine
  • Cosine
  • Doubling the angle

Skills Practiced

  • Defining key concepts - ensure that you can correctly define main phrases, such as doubling the angle
  • Problem solving - use acquired knowledge of the double angle equation to solve practice problems
  • Knowledge application - use your knowledge to answer questions using sine, cosine, tangent, and the double angle formula

Additional Learning

For more information on the double angle formula in trigonometry, review the accompanying lesson titled Double Angle: Properties, Rules, Formula & Examples. This lesson goes into details with examples regarding:

  • Tangent
  • Sine
  • Cosine
  • The double angle formula
  • Equivalent relationships
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