台灣黑皮歐巴桑的學習祕笈

中英文版(高二上數學)第一章第四節和角公式與差角公式(餘弦、正弦、正切的和角與差角公式)

【心智】正餘弦、和差角架構圖
https://www.youtube.com/watch?v=UmKJtp6vatU

和角公式 ( 三角函數 )
https://www.youtube.com/watch?v=vT-NbwM5t20

觀念】餘弦的和角與差角公式
https://www.youtube.com/watch?v=ITw4B59K6YU

1-4-1 cos的差角公式證明
https://www.youtube.com/watch?v=a6coUOnRJUQ

1-4-2 cos的差角公式舉例說明
https://www.youtube.com/watch?v=YyrPYYMYWKc

1-4-3 正弦﹑餘弦的和角與差角公式
https://www.youtube.com/watch?v=C0N_ryX0Jvs

1-4-4 範例1
https://www.youtube.com/watch?v=lPAXTWkrfvs

1-4-5 範例2
https://www.youtube.com/watch?v=Jl-b6YEsM7Q

1-4-6 範例3
https://www.youtube.com/watch?v=yAkTrn35eRI

1-4-7 Tan和角與差角公式
https://www.youtube.com/watch?v=ihYD-ZE0HQE

講義P10正弦和角公式證明
https://www.youtube.com/watch?v=FVeN7cjYU5g

1-4-8 範例4
https://www.youtube.com/watch?v=tmMGyLcsdx8

1-4-9 範例5
https://www.youtube.com/watch?v=ulZZruQmVHQ

1-4-10 範例6
https://www.youtube.com/watch?v=VFQW1ZeU354

1-4-11 範例7
https://www.youtube.com/watch?v=35AoSfNUU8Y

李祥數學-和角公式的記憶法
https://www.youtube.com/watch?v=ygI-3ZWY_n8

3.17 餘弦的差角公式推導
https://www.youtube.com/watch?v=sb1J-ProFEI

1-1 餘弦差角公式 教學GGB影音
https://www.youtube.com/watch?v=PAp0nrRf4uw

高中_數學_差角公式_觀念1 差角公式
https://www.youtube.com/watch?v=1JxpNGwoc7Y

高中_數學_差角公式_觀念2 差角公式圖證一
https://www.youtube.com/watch?v=dpfd4gRPBeA

高中_數學_差角公式_觀念3 差角公式圖證二
https://www.youtube.com/watch?v=rl-9vQeh6D4

高中_數學_差角公式_觀念4 正餘弦的和差角公式
https://www.youtube.com/watch?v=YOQQL4_A8p0

高中_數學_惠文高中_三角函數_和角公式、差角公式
https://www.youtube.com/watch?v=dd0If7KjNfc

高中_數學_惠文高中_三角函數_差角公式證明1
https://www.youtube.com/watch?v=wSgXex-vCUw

高中_數學_惠文高中_三角函數_和角公式與差角公式練習1
https://www.youtube.com/watch?v=RfoVfrL8kK8

高中_數學_惠文高中_三角函數_和角公式與差角公式練習2
https://www.youtube.com/watch?v=QnbbJ1DU2jk

高中_數學_差角公式_演練1
https://www.youtube.com/watch?v=pO8o-x7fBF0

高中_數學_差角公式_演練2
https://www.youtube.com/watch?v=22YxBccTTWE

高中_數學_差角公式_演練3
https://www.youtube.com/watch?v=lu_D-xJ1ecQ

高中_數學_差角公式_演練4
https://www.youtube.com/watch?v=sJ9FvdWEf-Q

高中_數學_差角公式_演練5
https://www.youtube.com/watch?v=FJgHx9hT8a4

高中_數學_差角公式_範例1
https://www.youtube.com/watch?v=Iqe53ind8tU

高中_數學_差角公式_範例2
https://www.youtube.com/watch?v=ZP5NXUgWGdc

高中_數學_差角公式_範例3
https://www.youtube.com/watch?v=MY32g-MEm30

高中_數學_差角公式_範例4
https://www.youtube.com/watch?v=8stQMVbz7pg

高中_數學_差角公式_範例5
https://www.youtube.com/watch?v=Sfx0bxPAkgg

高中_數學_差角公式_練習1
https://www.youtube.com/watch?v=WFDGjRSH8fU

高中_數學_差角公式_練習2
https://www.youtube.com/watch?v=cydBS_mqnTg

高中_數學_差角公式_練習4
https://www.youtube.com/watch?v=MCKut-oZWo4

Sum and Difference Identities of Sine and Cosine
https://www.youtube.com/watch?v=gEhxBFQCYic

Sum and Difference Formulas
https://www.youtube.com/watch?v=6raOSn1dl4A

Using sum and difference formula to find the exact value with cosine
https://www.youtube.com/watch?v=liSgx_72bfg

Sine Sum and Difference Identity Evaluate
https://www.youtube.com/watch?v=h20jC4aVykE

Sum and Difference Angle Formula Proof (Sine, Cosine)
https://www.youtube.com/watch?v=qxUMZ80HX_o

Sum and Difference Identities for Cosine
https://www.youtube.com/watch?v=H-0jQTzfkWQ

Sum and Difference Identities for Sine
https://www.youtube.com/watch?v=hiNDDQyee2E

Sum and Difference Identities for Tangent
https://www.youtube.com/watch?v=OQP78bwYcWw

Example: Evaluate a Trig Expression Using the Sum and Difference Identities
https://www.youtube.com/watch?v=zaHdhwO6p3k

Sine and Cosine Addition Formula Proof
https://www.youtube.com/watch?v=XdYTTBFm5Hw

TR-15: Sine and Cosine of Common Angles (Trigonometry series by Dennis F. Davis)
https://www.youtube.com/watch?v=4TFLcKKmfao

The Exact Values for Sine, Cosine, and Tangent of 30 and 60 Degrees
https://www.youtube.com/watch?v=-FmJTS-xK2I

The Exact Value for Sine of 75 Degrees, sin(75)
https://www.youtube.com/watch?v=G_P4OdUwPwI

Find the exact value using difference formula of two angles with sine
https://www.youtube.com/watch?v=y5jNI16xX7g

The Exact Value for Cosine of 15 Degrees - 2 Different Ways - cos(15)
https://www.youtube.com/watch?v=b69-TR-MvTQ

PreCalculus - Trigonometry: Trig Identities (1~21 of 57) What are the basic trig Identities
https://www.youtube.com/watch?v=tbA_cFlZc-w&list=PLX2gX-ftPVXUtjPmE-h3Ck2_2j4m_a7mV

部分資料來源: 學習吧
https://www.learnmode.net/knowledge/version?p=26#focus