Chapter 3 Section 5

Theorem

Figure

Use Sum and Difference Formulas to Find Exact Values

Example Find the exact value of Using the Difference Formula to Find an Exact Value Find the exact value of

Solution

Theorem

Example

Solution

Figure

Figure

Use Sum and Difference Formulas to Establish Identities

Example

Solution

Theorem

Example

Example 8 Solution

Use Sum and Difference Formulas Involving Inverse Trigonometric Functions

Example

Solution

Solve Trigonometric Equations Linear in Sine and Cosine

Example

Solution

Solution continued

Solution continued

Solution continued Figure 29

Figure