Lori Hupp
28:16
172 5_4_5 Working with Basic Trig Identities M2U00410_transcoded.mp4
Simplifying Trig expressions. Exploring identities. Homework examples worked out. © 2008 by Raymond E. Griffith.
A further investigation into the different levels of measurement: nominal, ordinal, interval, and ratio.
25:05
172 5_1_7 Homework Angular Rotation M2U00393.mp4
Pulleys, gears, and rpms. © 2008 by Raymond E. Griffith.
18:36
172 5_6_2 Graphing Trig Functions other than Sine & Cosine M2U00413.mp4
Graphing transformations of tangent and cotangent. We use the graphing calculator, too. 18:36 © 2008 by Raymond E. Griffith.
27:25
172 6_1_2 Verifying Trig Identities (Practice using HW) M2U00416.mp4
Homework exercises demonstrating the verification of trig identities. Practice using the "Candice Method." We remember how to do algebra as well. 27:25 © 2008 by Raymond E. Griffith.
Answering homework questions from the class on the properties of logarithms. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
Developing and using the formula for arc length. © 2008 by Raymond E. Griffith.
22:29
172 4_6_1_A Exponential Growth _ Money M2U00377.mp4
A demonstration of exponential growth with a savings account. Formula development. © 2008 by Raymond E. Griffith.
25:47
172 5_5_3 Graphing Transformations of the Sine Function M2U00412.mp4
Extending the graphing of trig functions. We demonstrate that the sine function looks the same despite transformations of shifting and/or stretching. We can graph the basic sine function and adjust our coordinate axes to fit the graph. 25:47 © 2008 by Raymond E. Griffith.
26:40
172 6_1_3 Verifying Trig Identities (Practice using HW) M2U00416.mp4
Homework exercises demonstrating the verification of trig identities. Practice using the "Candice Method." We remember how to do algebra as well. 26:40 © 2008 by Raymond E. Griffith.
An introduction to the concept of statistics.
21:21
141 2.1.3 Sets and Whole Numbers - How many? Cardinality and Whole Numbers.mp4
How many subsets does a set have? Construction of the formula. One-to-one correspondence. A whole number as the cardinal value for a set. Greater than and less than as a set-cardinality comparison. © 2008 by Raymond E. Griffith.
16:13
172 4_6_1_B Exponential Growth _ Money M2U00377.mp4
A demonstration of exponential growth with a savings account. Formula development. © 2008 by Raymond E. Griffith.
29:14
141 2.4.1 Ancient Numeration I M2U00403.mp4
Exploring the way ancient civilizations expressed numbers and counting. Talleys, Egyptian, and Babylonian systems explored. 29m14s © 2008 by Raymond E. Griffith.
21:55
172 5_2_1 Right-triangle Trigonometry M2U00392.mp4
Introduction to the right triangle and relationships between its sides. © 2008 by Raymond E. Griffith.
18:36
172 5_6_2 Graphing Trig Functions other than Sine & Cosine M2U00413.mp4
Graphing transformations of tangent and cotangent. We use the graphing calculator, too. 18:36 © 2008 by Raymond E. Griffith.
Answering homework questions on the topic of Inverse Functions.
12:14
141 1.2.1 Inductive Deductive Reasoning M2U00341.mp4
A comparison of inductive and deductive reasoning methods and how they work, using examples. Part 1 of 2. For MAT 141 Mathematical Models.
Continuing look at problem-solving strategies for exponents and logarithms. © 2008 by Raymond E. Griffith.
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