8.4 Applying the Cosine Law

📖 Chapter 8 Trigonometry of Acute Triangles
📄 Page 440
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24
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440
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10

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1

001. Q1a

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11 Functions, Trigonometry, Sine Law, given.AAS, solve
🎓 002. AAS example 2
🎓 001. AAS example
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001. Q1b

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002. Q2a

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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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4

002. Q2b

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11 Functions, Trigonometry, Cosine Law, given.SSS, solve
🎓 001. SSS example
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003. Q3a

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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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6

003. Q3b

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Answer
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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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7

004. Q4a

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8

004. Q4b

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11 Functions, Trigonometry, Cosine Law, given.SSS, solve
🎓 001. SSS example
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9

005. Q5a

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11 Functions, Trigonometry, Sine Law, given.SSA, solve
🎓 001. Solving SSA with one answer
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10

005. Q5b

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

006. Q6

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Answer
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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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12

007. Q7

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Answer
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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
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13

008. Q8

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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
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14

009. Q9

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10.5.1 MATH, TRIG, TRIANGLE MODELLING, solve using Sine Law
🎓 001. ASA case trig modelling
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15

010. Q10

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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
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16

011. Q11

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Answer
📚 Related Lectures
10.5.1 MATH, TRIG, TRIANGLE Word Problems, Use Sine or Cosine Law to Solve
🎓 001. Word Problem with Cosine Law
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17

012. Q12

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Answer
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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
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18

013. Q13

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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
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19

014. Q14

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Answer
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10.5.2 MATH, TRIG, SINE and COSINE LAW, given.Area, find.using.Cos.law
🎓 001. Given Quadrilateral, find Area by cutting into two triangles with cos law
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20

015. Q15

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21

016. Q16a

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10.5.3 MATH, TRIG, TRIANGLE MODELLING, Bearing
🎓 003. Plane directions
🎓 002. Bearing Question with a given diagram
🎓 001. Bearing Right angle Triangle Question
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22

016. Q16b

Question
Answer
📚 Related Lectures
10.5.3 MATH, TRIG, TRIANGLE MODELLING, Bearing
🎓 003. Plane directions
🎓 002. Bearing Question with a given diagram
🎓 001. Bearing Right angle Triangle Question
⏱️ 0:550🎬 0OjjbamyBEw
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23

017. Q17

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Answer
📚 Related Lectures
10.5.2 MATH, TRIG, SINE and COSINE LAW, given.Area, find.using.Cos.law
🎓 001. Given Quadrilateral, find Area by cutting into two triangles with cos law
⏱️ 1:400🎬 pmo8s3j1e1U
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001. Cosine Law Proof

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