1. Trigonometric Equations
Honors Precalculus
December 2 and 5, 2016
Mrs. Agnew

2. Essential Question Essential Vocabulary
How do you solve trigonometric equations?
Essential Vocabulary
Trigonometric Equation
Inverse Trigonometric Function
Trigonometric Identities

3. 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.

4. 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

5. 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