Chapter 7 · Precalculus
Trigonometric Identities and Equations
Verifying identities, the sum and difference formulas, double-angle, half-angle and reduction formulas, product-to-sum, solving trigonometric equations and modeling with them.
268 of the 500 problems this chapter sets.
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268 problems in your runThe whole chapter
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Precalculus 2e: Access for free at https://openstax.org/books/precalculus-2e/pages/1-introduction-to-functions