Trigonometric Equations Honors Precalculus December 2 and 5, 2016 Mrs. Agnew
Essential Question Essential Vocabulary How do you solve trigonometric equations? Essential Vocabulary Trigonometric Equation Inverse Trigonometric Function Trigonometric Identities
Trigonometric Equations Steps to solve a trigonometric equation: Ensure that there is only one trigonometric function (use identities) Isolate trigonometric function Use inverse trig functions to “free” variable Find ALL answers (and all coterminal) Answers may be written in degrees or radians… we will use radian measure.
Trigonometric Equations Hints when solving trig equations… Use identities to leave only one trig function Look to Factor GCF Quadratic Type Equation Check with calculator
Practice and Homework Guided Practice: page 465 – 468 #12 – 80 (Even), 94, 104, 106 Homework: page 465 – 468 #11, 15, 19, 27, 29, 43, 57, 59 #63, 71, 75, 93, 103, 105