7.4 The Sine and Cosine Ratios

📖 Chapter 7 Trigonometry of Right Triangles
📄 Page 372
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001. Q1a

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Three Sides, find Trig Ratios
🎓 001. Given Sides, find angle
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001. Q1b

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Three Sides, find Trig Ratios
🎓 001. Given Sides, find angle
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001. Q1c

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Three Sides, find Trig Ratios
🎓 001. Given Sides, find angle
⏱️ 0:250🎬 FrspOrs6o74
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001. Q1d

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Three Sides, find Trig Ratios
🎓 001. Given Sides, find angle
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001. Q1e

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Three Sides, find Trig Ratios
🎓 001. Given Sides, find angle
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001. Q1f

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Three Sides, find Trig Ratios
🎓 001. Given Sides, find angle
⏱️ 0:310🎬 2G2ZEMdQiV8
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7

001. Q1g

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Three Sides, find Trig Ratios
🎓 001. Given Sides, find angle
⏱️ 0:400🎬 _2yaK8yMOMY
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8

001. Q1h

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Three Sides, find Trig Ratios
🎓 001. Given Sides, find angle
⏱️ 0:240🎬 HXYX2h9hMTQ
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002. Q2a

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Answer
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10.5.1 Math, Trig, Right Triangle, find missing angle
🎓 002. Given Two sides in Right Angle Triangle, Find Missing Angle using cos
🎓 001. Introduction to given Two Sides in Right Angle Triangle
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10

003. Q3a

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Trig Angle, find Ratio using Calculator
🎓 001. Evaluating Trig Ratios with Calculator
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004. Q4

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Trig Angle, find Ratio using Calculator
🎓 001. Evaluating Trig Ratios with Calculator
⏱️ 0:270🎬 onIfmTXUvCI
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005. Q5

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11 Functions, Trigonometry, evaluate special angle trig ratios
🎓 002. Evaluating Square of Ratios
🎓 001. Introduction to special angle ratios and derivations
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006. Q6

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Trig Angle, find Ratio using Calculator
🎓 001. Evaluating Trig Ratios with Calculator
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14

007. Q7

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10.5.1 MATH, Trig, RIGHT TRIANGLE, given Trig Angle, find Ratio using Calculator
🎓 001. Evaluating Trig Ratios with Calculator
⏱️ 0:560🎬 HcZHaSHKhJ0
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15

008. Q8a

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Answer
📚 Related Lectures
10.5.1 Math, Trig, Right Triangle, find missing angle
🎓 002. Given Two sides in Right Angle Triangle, Find Missing Angle using cos
🎓 001. Introduction to given Two Sides in Right Angle Triangle
⏱️ 0:280🎬 DAUkbcZnHqo
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16

008. Q8b

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Answer
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10.5.1 Math, Trig, Right Triangle, find missing angle
🎓 002. Given Two sides in Right Angle Triangle, Find Missing Angle using cos
🎓 001. Introduction to given Two Sides in Right Angle Triangle
⏱️ 0:330🎬 LGtyMuJc95s
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009. Q9a

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10.5.1 Math, Trig, Right Triangle, find missing angle
🎓 002. Given Two sides in Right Angle Triangle, Find Missing Angle using cos
🎓 001. Introduction to given Two Sides in Right Angle Triangle
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18

009. Q9b

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Answer
📚 Related Lectures
10.5.1 Math, Trig, Right Triangle, find missing angle
🎓 002. Given Two sides in Right Angle Triangle, Find Missing Angle using cos
🎓 001. Introduction to given Two Sides in Right Angle Triangle
⏱️ 0:310🎬 xOt_JTEBci4
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19

010. Q10a

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
⏱️ 0:350🎬 3HzwwNqWUBg
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20

010. Q10b

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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21

010. Q10c

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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010. Q10d

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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010. Q10e

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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24

010. Q10f

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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25

010. Q10g

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
0🎬 nJPDWXx2pX4
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26

010. Q10h

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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011. Q11a

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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011. Q11b

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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29

011. Q11c

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Answer
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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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011. Q11d

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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31

011. Q11e

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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32

011. Q11f

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📚 Related Lectures
10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
⏱️ 0:300🎬 AJvc6UYnPYg
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33

011. Q11g

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Answer
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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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34

011. Q11h

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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35

012. Q12a

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
⏱️ 0:470🎬 gr9oMIP1PqA
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36

012. Q12b

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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37

012. Q12c

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Answer
📚 Related Lectures
10.5.1 MATH, Trig, RIGHT TRIANGLE, given Three Sides, find Trig Ratios
🎓 001. Given Sides, find angle
⏱️ 1:340🎬 2XB8Jz-d-uw
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38

012. Q12d

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📚 Related Lectures
10.5.1 MATH, Trig, RIGHT TRIANGLE, given Three Sides, find Trig Ratios
🎓 001. Given Sides, find angle
⏱️ 1:220🎬 DMwOmUPbpKg
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39

013. Q13

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
0🎬 Y90Q7zbQb6A
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40

014. Q14

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Answer
📚 Related Lectures
10.5.1 Math, Trig, Right Triangle, find missing angle
🎓 002. Given Two sides in Right Angle Triangle, Find Missing Angle using cos
🎓 001. Introduction to given Two Sides in Right Angle Triangle
⏱️ 2:130🎬 IO1eq63q-mA
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41

015. Q15

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10.5.1 MATH, Trig, RIGHT TRIANGLE Angle of Elevation or Depression Problems
🎓 001. Angle of Elevation
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42

016. Q16

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🎓 001. Finding Height of a Building
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43

017. Q17

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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44

018. Q18

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Answer
📚 Related Lectures
10.5.1 Math, Trig, Right Triangle, find missing angle
🎓 002. Given Two sides in Right Angle Triangle, Find Missing Angle using cos
🎓 001. Introduction to given Two Sides in Right Angle Triangle
0🎬 qQWGc17pMTA
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45

019. Q19

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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46

020. Q20

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Answer
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10.5.1 Math, Trig, Right Triangle, Word Problem, given two triangle set up, solve
🎓 002. Finding Height from two triangle and two angles
🎓 001. Introduction to Trig Word Problems that Require Two Right Angle Triangles
0🎬 Z6PoUtsYk5w
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021. Q21

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Answer
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10.5.1 Math, Trig, Right Triangle, Word Problem, given two triangle set up, solve
🎓 002. Finding Height from two triangle and two angles
🎓 001. Introduction to Trig Word Problems that Require Two Right Angle Triangles
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022. Q22

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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49

023. Q23

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10.5.1 Math, Trig, Right Triangle, given.angle.side, find missing
🎓 001. First Example
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50

024. Q24

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Answer
📚 Related Lectures
10.5.1 MATH, Trig, RIGHT TRIANGLE Angle of Elevation or Depression Problems
🎓 001. Angle of Elevation
0🎬 q1lLZ4C74L4
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51

025. Q25

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Answer
📚 Related Lectures
10.5.1 MATH, Trig, RIGHT TRIANGLE, given Three Sides, find Trig Ratios
🎓 001. Given Sides, find angle
0🎬 Fo5kuVtU1aU
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52

026. Q26

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🎓 001. First Example
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53

027. Q27

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Answer
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10.5.3 MATH, TRIG, TRIANGLE MODELLING, given.Right.Angle, solve
🎓 001. Finding Height of a Building
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54

031. Q31

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Answer
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🎓 001. Finding Height of a Building
0🎬 jY5dECOobwk
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55

032. Q32

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Answer
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🎓 001. Finding Height from two triangle and two angles
0🎬 JIH0UdQd1to
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56

033. Q33

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📚 Related Lectures
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🎓 001. Finding Height from two triangle and two angles
0🎬 wI5HIQZn5K0
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57

034. Q34

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📚 Related Lectures
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🎓 001. Given Sides, find angle
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58

036. Q36

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59

038. Q38

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10.5.3 MATH, TRIG, TRIANGLE MODELLING, Bearing
🎓 003. Plane directions
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1

000. Section Intro

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2

1 Trig Acute Angles finding missing side ex1

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2 Finding missing angle in acute right angle

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4

3 Definition of Cos

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4 Finding Sin Ratio given the Cosine Ratio

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