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Precalculus Trigonometry

Videos from my course lectures. The course is Precalculus Trigonometry and is being delivered through interactive television.

by:: rtgmath
updated:: 6 mos ago
videos:: 67

category:: Educational

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27:22 172 5_5_1 Intro to Graphing Trig Functions M2U00411_transcoded.mp4

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An introduction to characteristics of the graphs of sine and cosine functions. We use the graphing calculator and apply 171-level knowledge of function transformation to discuss properties like amplitude, period, and phase shift.

by:
rtgmath

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144

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12 mos ago

language:
English

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28:16 172 5_4_5 Working with Basic Trig Identities M2U00410_transcoded.mp4

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Simplifying Trig expressions. Exploring identities. Homework examples worked out. © 2008 by Raymond E. Griffith.

by:
rtgmath

views:
253

added:
12 mos ago

language:
English

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21:51 172 5_4_4 Developing Basic Trig Relationships M2U00409.mp4

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Other relationships between quadrants are developed. Periodicity of functions is introduced. © 2008 by Raymond E. Griffith.

by:
rtgmath

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15

added:
12 mos ago

language:
English

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24:58 172 5_4_3 Trig Functions of Real Numbers M2U00409.mp4

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Further discussion of even and odd functions. Development of quadrant II and quadrant III relationships. © 2008 by Raymond E. Griffith.

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rtgmath

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15

added:
12 mos ago

language:
English

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24:20 172 5_4_2 Trig Functions of Real Numbers M2U00402.mp4

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We examine some of the relationships between trig functions. Even/odd functions are developed for quadrants I and IV. © 2008 by Raymond E. Griffith.

by:
rtgmath

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44

added:
12 mos ago

language:
English

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24:50 172 5_4_1 Trig Functions of Real Numbers M2U00402.mp4

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A review of the different ways we have already represented angles, triangles, and the trig functions. © 2008 by Raymond E. Griffith.

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rtgmath

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37

added:
12 mos ago

language:
English

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20:00 172 5_3_2 Trig Functions of Any Angle M2U00396.mp4

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We look at trig functions by way of the unit circle centered on the origin of the Cartesian plane. © 2008 by Raymond E. Griffith.

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rtgmath

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131

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12 mos ago

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English

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16:34 172 5_3_1 Trig Functions of Any Angle M2U00396.mp4

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Placing the right triangle on the Cartesian plane allows us to extend trig function inputs beyond 90 degrees. © 2008 by Raymond E. Griffith.

by:
rtgmath

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36

added:
12 mos ago

language:
English

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18:34 172 5_2_4 HW 2 Tricky Right Triangle Word Problems M2U00400_transcoded.mp4

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A multiple-step problem about the height and length of the skybridge between two towers. © 2008 by Raymond E. Griffith.

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rtgmath

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23

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12 mos ago

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English

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15:34 172 5_2_3 HW 1 M2U00400.mp4

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Balloons, heights of buildings, verifying the formula for the area of a triangle. © 2008 by Raymond E. Griffith.

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rtgmath

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10

added:
12 mos ago

language:
English

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26:07 172 5_2_2 Deriving Basic Trig Values M2U00394.mp4

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Applying the definitions of right triangle trigonometry, and deriving trig values. © 2008 by Raymond E. Griffith.

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rtgmath

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70

added:
12 mos ago

language:
English

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21:55 172 5_2_1 Right-triangle Trigonometry M2U00392.mp4

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Introduction to the right triangle and relationships between its sides. © 2008 by Raymond E. Griffith.

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rtgmath

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67

added:
12 mos ago

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English

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25:05 172 5_1_8 HW Belts, Pulley, Angular Speed & Rotation M2U00393.mp4

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Pulleys, gears, angular speed and rotation problems. © 2008 by Raymond E. Griffith.

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rtgmath

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101

added:
12 mos ago

language:
English

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25:05 172 5_1_7 Homework Angular Rotation M2U00393.mp4

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Pulleys, gears, and rpms. © 2008 by Raymond E. Griffith.

by:
rtgmath

views:
25

added:
12 mos ago

language:
English

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10:19 172 5_1_6 Arc Length M2U00391.mp4

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Developing and using the formula for arc length. © 2008 by Raymond E. Griffith.

by:
rtgmath

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83

added:
12 mos ago

language:
English

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17:34 172 5_1_5 HW Arcs and Angles M2U00390.mp4

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Converting from degrees to degree-minute-second notation. Conversion from degree measure to radians. © 2008 by Raymond E. Griffith.

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rtgmath

views:
29

added:
12 mos ago

language:
English

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24:59 172 5_1_4 HW Arcs and Angles M2U00390.mp4

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Reviewing definitions. © 2008 by Raymond E. Griffith.

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rtgmath

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20

added:
12 mos ago

language:
English

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18:56 172 5_1_3 Arcs and Angles M2U00385.mp4

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Angles, arcs, circles and angular speed. © 2008 by Raymond E. Griffith.

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rtgmath

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34

added:
12 mos ago

language:
English

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22:11 172 5_1_2 Arcs and Angles M2U00384.mp4

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An introduction to angles, arcs, and circles. © 2008 by Raymond E. Griffith.

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rtgmath

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21

added:
12 mos ago

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29:29 172 5_1_1 Arcs and Angles M2U00384.mp4

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An introduction to angles, arcs, and circles. © 2008 by Raymond E. Griffith.

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rtgmath

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12 mos ago

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