Section 6 2 Trigonometric Functions Unit Circle Approach Slides: 40 Download presentation Section 6. 2 Trigonometric Functions: Unit Circle Approach Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Make a second congruent triangle. This triangle is equilateral so all sides are 1. 2 a = 1 so a =. Use Pythagorean Theorem to find b. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Your calculator has buttons for sin, cos, and tan so to find values of the remaining 3 trigonometric functions we use: CHANGE MODE TO RADIANS