Thursday, February 26, 2009
Intro to Calculus (Class 56)
Lesson Title
Circular Functions (9)
Overview
I am not in class today. Students have the class to work towards finishing the following:
Sangaku 12
Workshop 17
Homework 19
All of which will be due at the end of class on Monday. Students will have approximately 30 minutes of class time Monday to tie up any loose ends.
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
An identity is an equation which is true for all values of the variable.
You can determine if an equation is an identity by graphing the two sides of the equation separately. If these are the same graphs, then its an identity.
Key Skills
I can simplify an expression involving trigonometric functions.
I can verify that an trigonometric equation is an identity by using a graphing calculator.
I can prove that an trigonometric equation is an identity by using algebra.
I can solve trigonometric equations including ones which require substitution.
Turn-In (#55)
Nothing to turn in.
Handouts
No Handouts Posted
Assignment
Sangaku 12
Workshop 17
Homework 19
All are due 30 minutes into class-- students may use that 30 minutes to tie up any loose ends.
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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