Thursday, March 12, 2009
Intro to Calculus (Class 61)
Lesson Title
Circular Functions (14)
Overview
The opener today is a short video that gives an interesting perspective on the pace at which the world is changing. Students will then work through a lesson which focuses on the sine and cosine of the sum of two angles. The remainder of the time will be used to work on problems related to these concepts.
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 (#60)
Workshop 20
Handouts
Lesson for Homework 20
Homework 20
Assignment
Homework 20 #TBA
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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