6.10 The Cosine Law

šŸ“– Chapter 6 Trigonometry
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29
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2
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Grade Level
10

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1

001. Cosine Law Proof

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10mathpower6.10

28 videos

1

001. Q1a

Question
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SAS, solve
šŸŽ“ 001. Cosine Law and Proof
šŸŽ“ 002. SAS cos law example
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2

002. Q1b

Question
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SAS, solve
šŸŽ“ 001. Cosine Law and Proof
šŸŽ“ 002. SAS cos law example
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3

003. Q2a

Question
Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
šŸŽ“ 001. SSS example
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4

004. Q2b

Question
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
šŸŽ“ 001. SSS example
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5

005. Q3a

Question
Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Sine Law, given.SSA, solve
šŸŽ“ 001. Solving SSA with one answer
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6

006. Q3b

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Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
šŸŽ“ 001. SSS example
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7

007. Q3c

Question
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
šŸŽ“ 001. SSS example
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8

008. Q3d

Question
Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SAS, solve
šŸŽ“ 001. Cosine Law and Proof
šŸŽ“ 002. SAS cos law example
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9

009. Q4a

Question
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SAS, solve
šŸŽ“ 001. Cosine Law and Proof
šŸŽ“ 002. SAS cos law example
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10

010. Q4b

Question
Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SAS, solve
šŸŽ“ 001. Cosine Law and Proof
šŸŽ“ 002. SAS cos law example
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11

011. Q4c

Question
Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
šŸŽ“ 001. SSS example
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12

012. Q4d

Question
Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SAS, solve
šŸŽ“ 001. Cosine Law and Proof
šŸŽ“ 002. SAS cos law example
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13

013. Q5

Question
šŸ“š Related Lectures
10.5.1 MATH, TRIG, TRIANGLE Word Problems, Use Sine or Cosine Law to Solve
šŸŽ“ 001. Word Problem with Cosine Law
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14

014. Q6

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Answer
šŸ“š Related Lectures
10.5.3 MATH, TRIG, TRIANGLE MODELLING, Bearing
šŸŽ“ 003. Plane directions
šŸŽ“ 002. Bearing Question with a given diagram
šŸŽ“ 001. Bearing Right angle Triangle Question
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15

015. Q7

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16

016. Q8

Question
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
šŸŽ“ 001. SSS example
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17

017. Q9

Question
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9 Math, 3D Geometry, Volume, given Triangular Prism, find Volume
šŸŽ“ 001. Vol of Triangular Prism
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18

018. Q10

Question
Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
šŸŽ“ 001. SSS example
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19

019. Q11

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Answer
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20

020. Q12

Question
Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Sine Law, given.SSA, solve
šŸŽ“ 001. Solving SSA with one answer
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21

021. Q13a

Question
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SAS, solve
šŸŽ“ 001. Cosine Law and Proof
šŸŽ“ 002. SAS cos law example
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22

022. Q13b

Question
šŸ“š Related Lectures
11 Functions, Trigonometry, Sine Law, given.diag, find.missing.side
šŸŽ“ 001. given Opposite pair, find missing
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23

023. Q13c

Question
šŸ“š Related Lectures
11 Functions, Trigonometry, Sine Law, given.diag, find.missing.side
šŸŽ“ 001. given Opposite pair, find missing
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24

024. Q13d

Question
Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
šŸŽ“ 001. SSS example
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25

025. Q14

Question
Answer
šŸ“š Related Lectures
10.2.1 Math, Analytical Geometry, given three lines, verify triangle shape
šŸŽ“ 001. Given three lines, Find Vertices of Triangle
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26

026. Q15

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Answer
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27

027. Q16

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Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
šŸŽ“ 001. SSS example
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28

028. Q17

Question
Answer
šŸ“š Related Lectures
11 Functions, Trigonometry, Cosine Law, given.SSS, solve
šŸŽ“ 001. SSS example
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