TRIGONOMETRIC IDENTITIES AND EQUATIONS

• Basic Trigonometric Identities
• Basic Identities -- click on reciprocals, Pythagorean & Quotients, and cofunctions
• Basic Identities   
  
• Verifying Trigonometric Identities
• Verifying Identities -- click on algebraic manipulation
• Pythagorean Identities and verifying identities
• Suggestions for proving trigonometric identities
• Sum & Difference Identities
• Sum & Difference Identities
• Visualizing sum and difference identities
• Verifying sum and difference identities
• Double-Angle and Half-Angle Identities
• Verifying Identities
• Double Angle Identities
• Verifying double angle identities
• Verifying half angle identities
• Verifying sum to product and product to sum identities
• Solving Trigonometric Equations
• Simple Trigonometric Equations
• A simple trigonometric equation
• Solving trigonometric equations
• Solving trigonometric equations problems, solutions, and explanations
• Solving trigonometric equations with a calculator  
  
• Even more trigonometric equations to solve with a calculator
  
• Solving Trigonometric Equations using Identities
• Normal Form of a Linear Equation
  
• Distance From a Point and a Line
• Finding the distance between a point and a line -- Go to section 2.6
• Summaries & Reviews:  Multiple Angle Identities
• A List of Trigonometric Identities
• Test Questions to Answer (Scroll to the bottom of the page)
• Good review exercises (Scroll down)

Go to Precalculus Page
Go to Precalculus Lesson Page