# MTH 112 Elementary Functions MTH 112 Elementary Functions Ron Wallace

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MTH 112 Elementary Functions MTH 112 Elementary Functions Ron Wallace E107278-5808rwallace@bluecc.edu

You do NOT have to …  Attend class  Participate in class  Ask questions  Do homework  Study  Take quizzes/tests  Pass this class You DO have to …  Accept the responsibility for your own learning  Accept the consequences of your actions  Respect others

The Key to Success? Work hard … stay focused … and marry a Kennedy.  Arnold Schwarzenegger

Keys to Success? Attend every class. Do your homework. (daily!) Assigned problems. Study/memorize concepts. Expectations: Two hours of work outside of class for every hour in class. Attend and Participate in Class Do Homework, Study, & Ask Questions Prepare for and Take Quizzes & Tests Pass this class to the level of your ability.

Keys to Success? Attend every class. Do your homework. (daily!) Assigned problems. Study/memorize concepts. Expectation: Two hours of work outside of class for every hour in class. Attend and Participate in Class Do Homework, Study, & Ask Questions Prepare for and Take Quizzes & Tests Pass this class to the level of your ability.

Mathematical systems consist of … Definitions –“Well defined” & consistent –Common vs. Mathematical meaning Terms are not always descriptive. Examples: –Rational (able to reason) vs. Irrational (lacking the power to reason) –Real (existing, genuine) vs. Imaginary (exists in the imagination only and therefore does not exist)

Mathematical systems consist of … Definitions Axioms –Properties that are accepted to be true but cannot be proven or disproven with previous definitions, axioms, or theorems (i.e. accepted truths). –Examples: If a = b and b = c, then a = c. (transitive) Two points determine a unique line.

Mathematical systems consist of … Definitions Axioms Theorems –Statements that can be proven with previous definitions, axioms, and/or theorems. –Examples: The Pythagorean Theorem You cannot divide by zero..9999… = 1

Foundations for MTH 112 (Trigonometry) Algebra –MTH 60, 65, 95, 111 Geometry –Triangles & Circles

Challenge Problem (just to get you thinking) Find the ratio of the rotational velocity of the earth at 45 degrees latitude to the rotational velocity of the earth at the equator. Written solution (not just an answer). –Include labeled diagram. –Include all algebraic steps of the solution. –Include explanations as needed.

Course Web Site http://cs.bluecc.edu/mth112

Textbook Web Sites Registration and Plug-Ins http://www.mymathlab.com Course Materials http://students.pearsoned.com

Homework for Tonight! Check out the course web site. Complete the online survey. Solve the challenge problem. Memorize the following five numbers in order from smallest to largest.

Tomorrow – Day 2 Meet in the computer lab (E118).

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