中英文版(高二上數學)第一章第一節直角三角形的邊角關係(正弦、餘弦與正切)
3.03 商數、平方、餘角關係式
https://www.youtube.com/watch?v=B9ioX674hSM
【觀念】平方與商數關係
https://www.youtube.com/watch?v=u0b-BGtKdUE
三角函數倒數與商數公式
https://www.youtube.com/watch?v=-3mkpqtWJI0
三角函數平方關係說明
https://www.youtube.com/watch?v=J3fgVYXSkcI
6倒數商數平方關係
https://www.youtube.com/watch?v=Z47iPMkNUHU
【總結】平方、商數、餘角關係
https://www.youtube.com/watch?v=HGOtYOt1w3E
三角函數 銳角三角函數的平方關係 給tan和cot之和求sin與cos乘積與和之值 基本080105
https://www.youtube.com/watch?v=BSqi4qA96KY
三角函數 銳角三角函數的平方關係 給sin和cos之差求其乘積與和之值 基本080104
https://www.youtube.com/watch?v=mPHJw94y0-w
高中數學 正弦餘弦與正切的定義 1
https://www.youtube.com/watch?v=p9zLCcqdhmg
高中數學 正弦餘弦與正切的定義 2
https://www.youtube.com/watch?v=63I06R2s-rE
高中數學 正弦、餘弦與正切的關係
https://www.youtube.com/watch?v=wpNFUYa4nTY
範例三，只錄螢幕：正弦、餘弦與正切的定義
https://www.youtube.com/watch?v=qKkFWtLAbVs
G 10 6 S01 能透過直角三角形說明銳角的正弦、餘弦與正切之定義，並能由三邊長或比例求出其值
https://www.youtube.com/watch?v=_yPeM2bzMnE
李祥數學講座-三角函數
https://www.youtube.com/watch?v=I_gByfTMAeo
高中_數學_惠文高中_三角函數_銳角三角函數值的倒數關係、商數關係、平方關係
https://www.youtube.com/watch?v=TCeDeI4TwVo
高中_數學_惠文高中_三角函數_15度三角函數值的求法
https://www.youtube.com/watch?v=IaBnFe9bpio
高中_數學_惠文高中_三角函數_正弦、餘弦與正切的定義
https://www.youtube.com/watch?v=EcFrVi7oxgA
高中_數學_惠文高中_三角函數_正弦、餘弦與正切的關係
https://www.youtube.com/watch?v=xkbQ9nFp3is
高中_數學_惠文高中_三角函數_廣義角的正弦、餘弦與正切
https://www.youtube.com/watch?v=PG8n5ynf9dQ
高中_數學_惠文高中_三角函數_六星形定理、三角函數的大小關係
https://www.youtube.com/watch?v=a5yeXIjJYe4
高中_數學_銳角三角函數_觀念4 三角函數的基本關係
https://www.youtube.com/watch?v=DVYY9AmsC3Y
高中_數學_惠文高中_三角函數_銳角三角函數值練習1
https://www.youtube.com/watch?v=h9Lu6KfiQjc
高中_數學_惠文高中_三角函數_銳角三角函數值練習2、銳角三角函數值的範圍、餘角關係
https://www.youtube.com/watch?v=U2GcInbQz6c
高中_數學_銳角三角函數_範例7
https://www.youtube.com/watch?v=Vh02jyN8bkg
高中_數學_銳角三角函數_範例8
https://www.youtube.com/watch?v=zS5zyCtweCs
高中_數學_銳角三角函數_範例9
https://www.youtube.com/watch?v=KF26C8GTPWQ
高中_數學_銳角三角函數_範例10
https://www.youtube.com/watch?v=9ynLcF4CMc4
高中_數學_銳角三角函數_範例11
https://www.youtube.com/watch?v=Cnvux-VaHiY
高中_數學_銳角三角函數_範例12
https://www.youtube.com/watch?v=r29I1Wj7lO4
高中_數學_銳角三角函數_範例13
https://www.youtube.com/watch?v=rhZ7T1qZgbc
高中_數學_銳角三角函數_範例14
https://www.youtube.com/watch?v=IoZP5EgiWGM
高中_數學_銳角三角函數_演練7
https://www.youtube.com/watch?v=I4X8laBmPEI
高中_數學_銳角三角函數_演練8
https://www.youtube.com/watch?v=ngLCKc4cjD8
高中_數學_銳角三角函數_演練9
https://www.youtube.com/watch?v=5RuSVQlGKTw
高中_數學_銳角三角函數_演練10
https://www.youtube.com/watch?v=ltK9c-wvMfI
高中_數學_銳角三角函數_演練11
https://www.youtube.com/watch?v=U0CsDcgvSf8
高中_數學_銳角三角函數_演練12
https://www.youtube.com/watch?v=LEA6wv4QpHY
高中_數學_銳角三角函數_演練13
https://www.youtube.com/watch?v=UOYhYvrexw0
高中_數學_銳角三角函數_演練14
https://www.youtube.com/watch?v=raXg4xRCGrI
高中_數學_銳角三角函數_練習9
https://www.youtube.com/watch?v=eqgEJBz5loI
高中_數學_銳角三角函數_練習10
https://www.youtube.com/watch?v=ivTbKl6o5wI
高中_數學_銳角三角函數_練習11
https://www.youtube.com/watch?v=0Uc9B00cR8k
高中_數學_銳角三角函數_練習11(另解)
https://www.youtube.com/watch?v=aaUgwTs-aUw
高中_數學_銳角三角函數_練習12
https://www.youtube.com/watch?v=q-0nVHFfSHU
高中_數學_銳角三角函數_練習12(另解)
https://www.youtube.com/watch?v=-g6G09MEnnA
高中_數學_銳角三角函數_練習13
https://www.youtube.com/watch?v=-mPo-XdRQwc
高中_數學_銳角三角函數_練習14
https://www.youtube.com/watch?v=K2cokYXghHU
高中_數學_銳角三角函數_練習15
https://www.youtube.com/watch?v=a6YZ1Jbr6LU
高中_數學_銳角三角函數_練習16
https://www.youtube.com/watch?v=ZJERt8uwgKU
The Exact Values for Sine, Cosine, and Tangent of 30 and 60 Degrees
https://www.youtube.com/watch?v=-FmJTS-xK2I
A Level Maths – Sin, Cos and Tan Functions
https://www.youtube.com/watch?v=A9aHYqsGXU8
Using the Magic Hexagon to Generate Trig Identities
https://www.youtube.com/watch?v=yzyNJVzByew
Trigonometric Ratios
https://www.youtube.com/watch?v=9-eHMMpQC2k
The Amazing Magic Hexagram of Trig
https://www.youtube.com/watch?v=FG_-A-uFFpM
The Basic Trig Ratios & their Reciprocals
https://www.youtube.com/watch?v=pJPMCcWDluY
What are the quotient identities
https://www.youtube.com/watch?v=MD3Iraa6xmk
What are the reciprocal identities of trigonometric functions
https://www.youtube.com/watch?v=srj8b-RlXeg
What are the pythagorean identities
https://www.youtube.com/watch?v=fvs66L8w22Y
Simplifying trig expressions by using the reciprocal identities
https://www.youtube.com/watch?v=5MQsMvlD7OQ
Pre Calc - 11.1 Reciprocal Identities
https://www.youtube.com/watch?v=BfbcnS3kytw
6.1 Reciprocal, Quotient & Pyth. Identities (Pre-Calc 30)
https://www.youtube.com/watch?v=hPblMh_cX9A
Quotient Identities - Evaluating Tangent and Cotangent Functions
https://www.youtube.com/watch?v=7PVKbyLFY5U
Verifying Trigonometric Identities
https://www.youtube.com/watch?v=YYKGkYkKeMM
Reciprocal Identities - Evaluating Secant and Cosecant Functions
https://www.youtube.com/watch?v=UeuuFqbTYgA
Basic Trigonometric Identities: Pythagorean Identities and Cofunction Identities
https://www.youtube.com/watch?v=Ql7ducUjiG0
Pythagorean Identities - Examples & Practice Problems, Trigonometry
https://www.youtube.com/watch?v=TpADRvW8zm8
TR-32: Intro to Identities and Proofs (Trigonometry series by Dennis F. Davis)
https://www.youtube.com/watch?v=8F3zdi_a-PM
TR-34: Using Pythagorean Identities (Trigonometry series by Dennis F. Davis)
https://www.youtube.com/watch?v=B3JOQxj_MGs
PYTHAGOREAN AND TRIG IDENTITIES
https://www.youtube.com/watch?v=I3GNMbmPUqw
Verifying Trigonometric Identities Easily - Strategy Explained (14 Examples)
https://www.youtube.com/watch?v=jkpRkOKkaCw
Solving Trigonometric Equations (1 of 3: Using the Pythagorean Identity)
https://www.youtube.com/watch?v=sp8MJEWClkY
How to Prove Trigonometric Identities (and how not to)
https://www.youtube.com/watch?v=rS1T_b4WZzA
Proving a Trigonometric Identity where both sides seem simplified
https://www.youtube.com/watch?v=FX_3XhSlzW4
Visual Proof of Pythagoras' Theorem
https://www.youtube.com/watch?v=tTHhBE5lYTg
Introduction to Angles (Precalculus - Trigonometry 1)
https://www.youtube.com/watch?v=c41QejoWnb4
Converting Degrees, Minutes, and Seconds (Precalculus - Trigonometry 2)
https://www.youtube.com/watch?v=U40Afn37QC4
Introduction to Radians (Precalculus - Trigonometry 3)
https://www.youtube.com/watch?v=EWd_FtOfyPc
Converting Radians and Degrees (Precalculus - Trigonometry 4)
https://www.youtube.com/watch?v=sCwcbZSZL5o
Area of a Sector, Angular Velocity, Applications (Precalculus - Trigonometry 5)
https://www.youtube.com/watch?v=x6wnYbOBCic
Trigonometric Functions and the Unit Circle (Precalculus - Trigonometry 6)
https://www.youtube.com/watch?v=__nefjOhVks
How to Use the Unit Circle in Trigonometry (Precalculus - Trigonometry 7)
https://www.youtube.com/watch?v=GdRZfemxTFI
Basic Properties of Trigonometric Functions (Precalculus - Trigonometry 8)
https://www.youtube.com/watch?v=_dTRpq_yGIc
Reciprocal Identities in Trigonometry (Precalculus - Trigonometry 9)
https://www.youtube.com/watch?v=98jDUsZ2JYA
Pythagorean Identities for Trigonometric Functions (Precalculus - Trigonometry 10)
https://www.youtube.com/watch?v=huP3v7iZuLM
The Graphs of Sine and Cosine (Precalculus - Trigonometry 11)
https://www.youtube.com/watch?v=3HHgZopzL_s
Graphing Transformations with Sine and Cosine (Precalculus - Trigonometry 12)
https://www.youtube.com/watch?v=dyXT5KMCrPk
How to Graph Tangent and Cotangent (Precalculus - Trigonometry 13)
https://www.youtube.com/watch?v=8eMEBrPYJ0I
Graphing Transformations with Tangent and Cotangent (Precalculus - Trigonometry 14)
https://www.youtube.com/watch?v=i4rr_J1VbkY
How to Graph Cosecant and Secant (Precalculus - Trigonometry 15)
https://www.youtube.com/watch?v=kYIKNTXaf_E
部分資料來源: 學習吧
https://www.learnmode.net/knowledge/version?p=26#focus
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