Trigonometry sides

Trigonometry
You need your notebook, calculator and Ipad
1 / 19
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Slide 1: Tekstslide
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In deze les zitten 19 slides, met interactieve quizzen en tekstslides.

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Trigonometry
You need your notebook, calculator and Ipad

Slide 1 - Tekstslide

Today
  • Recap last week (15 min)
  • Bettermarks (20 min)
  • New subject (10 min)
  • Bettermarks (20 min)
  • End lesson (5 min)

Slide 2 - Tekstslide

Name the opposite side.
A
KL
B
KM
C
LM

Slide 3 - Quizvraag

Name the adjacent side
of ∠C
A
AB
B
BC
C
AC

Slide 4 - Quizvraag

Name the mnemonic you learned last week

Slide 5 - Open vraag

Calculate ∠P

Slide 6 - Tekstslide

Calculate ∠P
cos(θ)=​h​​a​​

Slide 7 - Tekstslide

Calculate ∠P
cos(∠P)=​8.3​​6.2​​
cos(θ)=​h​​a​​

Slide 8 - Tekstslide

Calculate ∠P
cos(∠P)=​8.3​​6.2​​
∠P=cos​−1​​(​8.3​​6.2​​)
cos(θ)=​h​​a​​

Slide 9 - Tekstslide

Calculate ∠P





                        °
cos(θ)=​h​​a​​
cos(∠P)=​8.3​​6.2​​
∠P=cos​−1​​(​8.3​​6.2​​)
∠P≈41.67

Slide 10 - Tekstslide

Calculate ∠F
Round your answer to
two decimal places

Slide 11 - Open vraag

Calculate ∠F

Slide 12 - Tekstslide

Exercises
  • Homework and equipment check
  • 11.4 Soh Cah Toa
  • 11:00
  • Raise your finger if you have any questions or you're done
  • Communicate in English please

Slide 13 - Tekstslide

11.3 Soh Cah Toa Sides
You need your notebook

Slide 14 - Tekstslide

Calculate KM
cos(66)=​19​​KM​​
0.406...=​19​​KM​​
KM=0.406...⋅19
KM ≈ 7.73
cos(θ)=​h​​a​​

Slide 15 - Tekstslide

Calculate FG
0.74...=​FG​​7​​
FG=​0.74...​​7​​
FG ≈ 9.42
sin(48)=​FG​​7​​
sin(θ)=​h​​o​​

Slide 16 - Tekstslide

Exercises
  • Homework and equipment check
  • 11.2 Soh Cah Toa Angels
  • 20 minutes
  • Raise your finger if you have any questions or you're done
  • Communicate in English please

Slide 17 - Tekstslide

Calculate KM
cos(66)=​19​​KM​​
0.406...=​19​​KM​​
KM=0.406...⋅19
KM ≈ 7.73
cos(∠K)=​s​​a​​

Slide 18 - Tekstslide

Calculate FG
0.74...=​FG​​7​​
FG=​0.74...​​7​​
FG ≈ 9.42
sin(48)=​FG​​7​​
sin(∠P)=​s​​o​​

Slide 19 - Tekstslide