Daniel Kopsas
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Pre-Calculus Tutorials
At OTC our pre-calculus course consists of College Algebra and Trigonometry combined with the topics below. Please see the College Algebra and Trigonometry pages as necessary.
Writing Terms of a Sequence Given a Formula for the nth Term
Sigma (Summation) Notation
Need to convert
Geometric Sequences
Finding a Partial Sum of a Geometric Sequence
Finding the Sum of an Infinite Geometric Sequence
Factorial
Choosing Combinations
The Binomial Theorem
An Example of Using the Binomial Theorem to Find a Particular Term in a Binomial Expansion
Understanding Limits with Numbers
(YouTube)
Understanding Limits Graphically
(YouTube)
Evaluating Limits Algebraically
(YouTube)
Writing an Absolute Value Function as a Piecewise-Defined Function
(YouTube)
Evaluating the Limit of a Function with Absolute Values
(YouTube)
How to Find Slope of a Tangent Line Using the Limit of the Slope of the Secant Line
(YouTube)
An Example of Finding the Slope of a Tangent Line Using the Limit of the Slope of the Secant Line
(YouTube)
The Definition of the Derivative of a Function at a Point
(YouTube)
Finding the Limit of a Rational Function as
x
Approaches Infinity
How to Calculate the Area Under a Curve Using Rectangles
(YouTube)
Example: Approximating the Area Under a Curve Using Rectangles
(YouTube)
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