Trigonometric identities and equations

OpenStax

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Introduction to trigonometric identities and equations

Solving trigonometric equations with identities

Sum and difference identities

Double-angle, half-angle, and reduction formulas

Sum-to-product and product-to-sum formulas

Solving trigonometric equations

Modeling with trigonometric equations

1 Determining the amplitude and period of a sinusoidal function

2 Finding equations and graphing sinusoidal functions

3 Modeling periodic behavior

4 Modeling harmonic motion functions

5 Simple harmonic motion

6 Damped harmonic motion

7 Bounding curves in harmonic motion

8 Key equations

10 Section exercises

15 Real-world applications

17 Chapter review exercises

18 Solving Trigonometric Equations with Identities

19 Sum and Difference Identities

20 Double-Angle, Half-Angle, and Reduction Formulas

21 Sum-to-Product and Product-to-Sum Formulas

22 Solving Trigonometric Equations

23 Modeling with Trigonometric Equations

24 Practice test

Source: OpenStax, Precalculus. OpenStax CNX. Jan 19, 2016 Download for free at https://legacy.cnx.org/content/col11667/1.6

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