結果 : origin of trigonometric functions
1:32

Origin of Trigonometry

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Where do Sin, Cos and Tan Actually Come From - Origins of Trigonometry - Part 1

Syed Institute
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Trig Visualized: One Diagram to Rule them All (six trig functions in one diagram)

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4:56

Origin of the Sine Function Part 1

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3:44

Why are Sine & Cosine given their names?

Eddie Woo
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7:18

Trigonometric Functions: Sine, Cosine, Tangent, Cosecant, Secant, and Cotangent

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6:00

4.1 Trigonometry History & Importance | The Trigonometry Series

The Procrastinator Notes
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5:20

A Geometric Understanding of the Trigonometric Functions (and proof of tan𝜃 ≡ sin𝜃/cos𝜃)

mathonify
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0:27

Sine Curve and the Unit Circle

Arkady Etkin
489,540 回視聴 - 9 年前

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32:35

Trigonometry Concepts - Don't Memorize! Visualize!

Dennis Davis
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1:46

Who Invented Trigonometry: History in a Minute (Episode #86)

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3:06

BBC 4 Trigonometry 0305

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8:19

All 6 Trig Functions on the Unit Circle

Beautiful Math
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6:36

1. Trigonometric Functions - Origins of the Sine Wave

Akash Murthy
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3:51

So where do sin cos and tan come from?

FoggyMaths
13,668 回視聴 - 1 年前
1:13:17

Trigonometry fundamentals | Ep. 2 Lockdown live math

3Blue1Brown
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Trigonometry For Beginners!

The Organic Chemistry Tutor
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Why is Trigonometry so important?

Eddie Woo
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11:40

Graphing Trigonometric Functions

Professor Dave Explains
212,161 回視聴 - 6 年前
10:53

Redefining the Trig Functions on the Unit Circle (1 of 2: The Basic Concept)

Eddie Woo
274,737 回視聴 - 9 年前