Concept explainers
Because you may not be required to memorize the identities in this section, it's often tempting to pay no attention to them at all! Exercises 1-4 are provided to familiarize you with what these identities do. Fill in each blank using the word sum, difference, product, or quotient.
The formula
can be used to change a________ of a sine and a
cosine into the__________ of two sine expressions.
Want to see the full answer?
Check out a sample textbook solutionChapter 6 Solutions
Algebra and Trigonometry (6th Edition)
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageMathematics For Machine TechnologyAdvanced MathISBN:9781337798310Author:Peterson, John.Publisher:Cengage Learning,