7.5 The Law of Cosines

📖 Chapter 7 Trigonometric Ratios
🎥 29 videos
Total Videos
29
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1
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N/A
Grade Level
11

11mathHarcourt7.5

29 videos

1

001. Q1a

Question
📚 Related Lectures
11 Functions, Trigonometry, Cosine Law, given.equation, solve
🎓 001. Evaluate cos law formula
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2

002. Q1b

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📚 Related Lectures
11 Functions, Trigonometry, Cosine Law, given.equation, solve
🎓 001. Evaluate cos law formula
3

003. Q2a

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📚 Related Lectures
11 Functions, Trigonometry, Cosine Law, given.equation, solve
🎓 001. Evaluate cos law formula
4

004. Q2b

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📚 Related Lectures
11 Functions, Trigonometry, Cosine Law, given.equation, solve
🎓 001. Evaluate cos law formula
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5

005. Q3a

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11 Functions, Trigonometry, Cosine Law, given.SSS, solve
🎓 001. SSS example
6

006. Q3b

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7

007. Q3c

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📚 Related Lectures
11 Functions, Trigonometry, Sine Law, given.SSA, solve
🎓 001. Solving SSA with one answer
8

008. Q3d

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📚 Related Lectures
11 Functions, Trigonometry, Sine Law, given.diag, find.missing.side
🎓 001. given Opposite pair, find missing
9

009. Q4a

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📚 Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
🎓 001. SSS example
10

010. Q4b

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📚 Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SAS, solve
🎓 001. Cosine Law and Proof
🎓 002. SAS cos law example
11

011. Q4c

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📚 Related Lectures
11 Functions, Trigonometry, Sine Law, given.SSA, solve
🎓 001. Solving SSA with one answer
12

012. Q5a

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📚 Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
🎓 001. SSS example
13

013. Q5b

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📚 Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SAS, solve
🎓 001. Cosine Law and Proof
🎓 002. SAS cos law example
14

014. Q5c

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📚 Related Lectures
11 Functions, Trigonometry, Sine Law, given.SSA, solve
🎓 001. Solving SSA with one answer
15

015. Q6

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📚 Related Lectures
11 Functions, Trigonometry, Sine Law, given.SSA, solve
🎓 001. Solving SSA with one answer
16

016. Q7a

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📚 Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SAS, solve
🎓 001. Cosine Law and Proof
🎓 002. SAS cos law example
17

017. Q7b

Question
📚 Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SAS, solve
🎓 001. Cosine Law and Proof
🎓 002. SAS cos law example
18

018. Q7c

Question
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11 Functions, Trigonometry, Sine Law, given.SSA, solve
🎓 001. Solving SSA with one answer
19

019. Q8a

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10.5.1 MATH, TRIG, TRIANGLE Word Problems, Use Sine or Cosine Law to Solve
🎓 001. Word Problem with Cosine Law
20

020. Q8b

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10.5.1 MATH, TRIG, TRIANGLE Word Problems, Use Sine or Cosine Law to Solve
🎓 001. Word Problem with Cosine Law
21

021. Q9

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11 Functions, Trigonometry, Cosine Law, given.SSS, solve
🎓 001. SSS example
22

022. Q10a

Question
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11 Functions, Trigonometry, Cosine Law, given.SAS, solve
🎓 001. Cosine Law and Proof
🎓 002. SAS cos law example
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23

023. Q10b

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Answer
24

024. Q11

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10.5.1 Math, Trig, Right Triangle, Word Problem, given two.triangle.naked, set up, solve
🎓 001. Finding Height from two triangle and two angles
25

025. Q12a

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26

026. Q12b

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27

027. Q13

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28

028. Q14

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📚 Related Lectures
10.5.1 MATH, TRIG, TRIANGLE Word Problems, Use Sine or Cosine Law to Solve
🎓 001. Word Problem with Cosine Law
29

029. Q15

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