### Trig: Simplifying and Proving Identities

http://www.mindbites.com/lesson/5119-trig-simplifying-and-proving-identities-350 This 64 minute trigonometry lesson will show you how to simplify and prove trigonometry expressions using the trig: - reciprocal identities - quotient identities - Pythagorean identities Sample problem: Prove sec Theta cos Theta = sin Theta x tan Theta In addition to the trig identities the simplifying process will use will use algebra skills (finding a common denominator, multiplying, factoring, reciprocal ratios). This lesson contains explanations of the concepts and 18 example questions with step by step solutions plus 7 interactive review questions with solutions. Lessons that will help you with the fundamentals of this lesson include: - 300 Basic Trigonometry Part I (http://www.mindbites.com/lesson/5125) - 315 Basic Trigonometry Part II (http://www.mindbites.com/lesson/5123)

Length:
05:06