Trigonometry fundamentals | Lockdown math ep. 2

2020-04-21

[public] 762K views, 35.0K likes, 217 dislikes audio only

Intro to trig with a lurking mystery about cos(x)^2

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Hebrew: Omer Tuchfeld

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Contents:

Introduction  - 0:00

Q1 Graph of (cos θ)²  - 2:14

Q2 Translations of cos θ to (cos θ)²  - 5:34

Q3 f(2x) = f(x)²  - 10:54

Intro to Trig  - 13:14

Q4 sin(3) & cos(3)  - 16:44

SohCahToa - 20:44

Q5 Leaning Tower  - 22:29

How to Compute Trig Functions?  - 30:59

Q6 sin(π/6)  - 33:34

Q7 cos(π/6)  - 36:19

Q8 Trig of -θ  - 43:34

Computing Trig Functions  - 47:44

Q9 cos(π/12)  - 0:49:54

Adv Trig Functions  - 0:56:44

Q10 Graph of tan(θ)  - 1:00:30

JSON comment  - 1:02:24

“The most exciting part of the lecture” –1:05:34

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