Chapter 7  Trigonometric Identities and Equations

  7-1  Basic Trigonometric Identities

  7-2  Verifying Trigonometric Identities

  7-3  Sum and Difference Identities

  7-4  Double-Angle and Half-Angle Identities

  7-5  Solving Trigonometric Equations

  7-6  Normal Form of a Linear Equation

  7-7  Distance from a Point to a Line