Monday, March 16, 2009
Intro to Calculus (Class 62)
Announcements
Quiz Friday focusing on working with trig. expressions and equations which do not have matching arguments.
Lesson Title
Circular Functions (15)
Overview
The opener today is Sangaku 14. This is one of the few Sangaku created by a women. The remainder of the class will be used for working on homework 20.
Textbook Sections
N/A
Vocabulary
radian
central angle
terminal side
circumference
rotation
circular function
sine
cosine
tangent
cosecant
secant
cotangent
Key Attitudes
Math is about using what you know to create something new.
Key Ideas
Arguments of angles have to agree.
The arguments of trigonometric functions can be changed.
The rules for changing the arguments of trigonometric expressions are derived from the rules you already know and cleverness.
Key Skills
I can work with trigonometric expressions and equations involving the sum or difference of arguments.
Turn-In (#61)
Homework 20 #TBA
Handouts
Sangaku 14
Assignment
Homework 20- Finish it
Sangaku 14 due Friday
Disclaimer- The assignment as stated in class is the official assignment. Every effort is made to keep this posting accurate, but you should refer to what was stated in class as the final word.
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