Back to 9.1 Verifying Trigonometric Identities and Using Trigonometric Identities to Simplify Trigonometric Expressions

9.1 Exercise 13

Avg difficulty 2.5

Rewrite the trigonometric expression using the difference of squares: $25 - 9 \sin^{2} \theta .$

OpenStax Algebra and Trigonometry 2e, 9.1 Verifying Trigonometric Identities and Using Trigonometric Identities to Simplify Trigonometric Expressions, exercise 13

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.