6.1, 6.3, 7.4 Review Solving Trig Equations

Comic of the Day 

Tip: See question 2 above.  Solving for angles could save your life.

Warm Up and Questions from the Homework
a) Solve for x if 0 = x² - 9
b) Using the unit circle, determine when:
 
Could we use a graph?  A calculator? A graphing calculator?

Announcements

• Tutorial tomorrow (Tue, Mar 12, E201) is cancelled
• Next quiz Thu, Mar 14 (6.1-6.3 Solving Trig Equations)
• Next unit exam Thu, Mar 28 (55 minutes, in class)
• Summary of Studying (SOS) must be completed to write unit exam

Today - 6.1, 6.3 Review Solving Trig Equations
Watch your notation with inverse trig functions:

Worksheet

Homework
6.1 #71-97 Remove #9-15
6.3 #99-105
Add 7.4 #1-31

Tomorrow - Continue 6.1, 6.3 Review Solving Trig Equations

For more information

https://www.khanacademy.org/math/trigonometry/basic-trigonometry/inverse_trig_functions/v/example---calculator-to-evaluate-inverse-trig-function
https://www.khanacademy.org/math/trigonometry/basic-trigonometry/inverse_trig_functions/e/inverse_trig_functions
http://patrickjmt.com/solving-trigonometric-equations/