Quote of the Day: "Obvious is the most dangerous word in mathematics." -- E.T. Bell Objectives: The student will review basic right triangle trigonometry. The student will review basic trigonometric identities. 1. Collect Homework Assignment. 2. Relationship Between Degrees and Radians ![]() 3. Trig Functions for Right Triangles ![]() Click here for Mnemonics for the trig ratios 4. Evaluate Trig Functions of Angles in Rectangular Coordinate System Discuss these terms: Standard Position Initial Side Terminal Side Evaluate the trig functions of 120 degrees Evaluate the trig functions of -pi/2 radians 5. Trig Identities ![]() 6. Law of Cosines c2 = a2 + b2 - 2ab cos(C) 7. Sum and Difference Identities Click here for the Sum and Difference Identities Click here for a list of Identities 8. Determine the angle, given the value of a trig function (With and without a calculator)
9. Comics with Trig Click here for Value of the Sine 10. Assignment: Read pages A8 - A11 Do p. A-12 (15c, 16b, 17, 21, 22, 26, 41, 48) in the Appendix Continue to work on Mini Exam #1 Review Come to the Review Session today |