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.
Part 1 of the lecture introducing logarithmic functions and their properties.
This is the first of 3 segments dealing with Mathematics as Problem Solving. Examples are given.
Reviewing definitions. © 2008 by Raymond E. Griffith.
24:58
172 5_4_3 Trig Functions of Real Numbers M2U00409.mp4
Further discussion of even and odd functions. Development of quadrant II and quadrant III relationships. © 2008 by Raymond E. Griffith.
What kinds of things do we measure with statistics? What kind of measurements are used?
A discussion of the various ways we communicate mathematically. For 141, Mathematical Models.
07:37
141 1.2.2 Inductive Deductive Reasoning M2U00342.mp4
A comparison of inductive and deductive reasoning methods and how they work, using examples. For MAT 141 Mathematical Models.
Practicing recognition and use of the properties of logarithms. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
22:20
172 4_4_5 Homework and Review _ Properties of Logarithms.mp4
Homework questions answered about the properties of logarithms. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
20:25
141 2.4.2 Ancient Numeration II M2U00404.mp4
Exploring the way ancient civilizations expressed numbers and counting. Mayan and Roman numeration explored. 20m25s © 2008 by Raymond E. Griffith.
28:14
172 5_6_1 Graphing Trig Functions other than Sine & Cosine M2U00413.mp4
We graph secant, cosecant, and tangent using sine and cosine functions. 28:14 © 2008 by Raymond E. Griffith.
21:49
172 6_2_2 Constructing cos(a-b) identity M2U00425.mp4
Creating the formula for cos(a-b) using unit-circle positions and the distance formula from algebra. 21:49 © 2008 by Raymond E. Griffith.
17:09
141 4_1_2 Rules of Divisibility pt 1 M2U00435a.mp4
Rules for divisibility by 2 and by 3. General divisibility rules are explored for use in proving our ideas. 17m10s © 2008 by Raymond E. Griffith.
A development of the properties of logarithms from the definitions. For MAT 172, Precalculus Trigonometry. © 2008 by Raymond E. Griffith.
20:05
172 4_6_2 Exponential Growth and Decay M2U00378.mp4
An exploration of exponential growth and decay, including the concept of a half-life. © 2008 by Raymond E. Griffith.
Converting from degrees to degree-minute-second notation. Conversion from degree measure to radians. © 2008 by Raymond E. Griffith.
25:05
172 5_1_8 HW Belts, Pulley, Angular Speed & Rotation M2U00393.mp4
Pulleys, gears, angular speed and rotation problems. © 2008 by Raymond E. Griffith.
15:46
172 6_1_1 Verifying Trig Identities _ Where We Begin M2U00414.mp4
A review of basic identities we will use before we start verifying trig identities. 15:46 © 2008 by Raymond E. Griffith.
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