Tuesday, February 24, 2009
Intro to Calculus (Class 55)
Lesson Title
Circular Functions (7)
Overview
The opener for today will be Sangaku 12. We will then have a lesson which focuses on trigonometric expressions, equations
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 (#54)
Homework 18- Finish it
Handouts
Homework 19
Sangaku 12
Assignment
Due Monday March 2
Sangaku 12
Workshop 17
Homework 19
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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