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Sine & Cosine of Complementary Angles Video

Instructions:

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

question 1 of 3

Which of the following angles are complementary?

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1. Suppose A is an angle in a right triangle that is not the 90 degree angle. How do we find sinA?

2. Which of the following statements is true?

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About This Quiz & Worksheet

This quiz and worksheet offers an opportunity for you to test and review what you know about sine and cosine in complementary angles. You'll review how to solve these problems as well.

Quiz & Worksheet Goals

Use this quiz and worksheet to review:

  • Identifying complementary angles
  • Solving for sine and cosine
  • Common rules of solving these problems

Skills Practiced

  • Knowledge application - check that you know enough about sine and cosine to answer questions about how they relate with complementary angles
  • Problem solving - see if you are able to solve complementary angle problems for sine and cosine
  • Information recall - ensure you are able to remember key rules about solving for sine and cosine to use in solving problems

Additional Learning

Need more information about this topic? See the accompanying lesson, Sine & Cosine of Complementary Angles. The lesson offers an overview of:

  • What complementary angles are
  • Equations for sine and cosine
  • More example problems
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