Big Ideas

1. Equivalence

   Essential Question How do you verify that an equation involving the variable x is an identity?

2. Function

   Essential Question A trigonometric function corresponds one number to many, so how can its inverse be a function?

3. Equivalence

   Essential Question How do the trigonometric functions relate to the trigonometric ratios for a right triangle?

Chapter Preview

• 14-1 Trigonometric Identities
• 14-2 Solving Trigonometric Equations Using Inverses
• 14-3 Right Triangles and Trigonometric Ratios
• 14-4 Area and the Law of Sines
• 14-5 The Law of Cosines
• 14-6 Angle Identities
• 14-7 Double-Angle and Half-Angle Identities

Table of Contents