# Trigonometry sides 2

Trigonometry
1 / 19
Slide 1: Tekstslide
WiskundeMiddelbare schoolhavoLeerjaar 3

In deze les zitten 19 slides, met interactieve quizzen en tekstslides.

## Onderdelen in deze les

Trigonometry

#### Slide 1 -Tekstslide

Name the mnemonic you've learned

#### Slide 2 -Open vraag

Today
• Recap yesterday (15 min)
• Exercise on paper (10 min)
• Bettermarks (20 min)
• Homework (10 min)
• Bettermarks (20 min)
• End lesson (5 min)

#### Slide 3 -Tekstslide

Calculate ∠F
Round to 2 decimal places

#### Slide 4 -Open vraag

Calculate ∠F
Round to 2 decimal places

Calculate KM

Calculate KM
cos(θ)=ha

Calculate KM
cos(66)=19KM
cos(θ)=ha

Calculate KM
cos(66)=19KM
0.406...=19KM
cos(θ)=ha

Calculate KM
cos(66)=19KM
0.406...=19KM
KM=0.406...19
cos(θ)=ha

Calculate KM
cos(66)=19KM
0.406...=19KM
KM=0.406...19
KM  7.73
cos(θ)=ha

Calculate FG

Calculate FG
sin(θ)=ho

Calculate FG
sin(48)=FG7
sin(θ)=ho

Calculate FG
0.74...=FG7
sin(48)=FG7
sin(θ)=ho

Calculate FG
0.74...=FG7
FG=0.74...7
sin(48)=FG7
sin(θ)=ho

Calculate FG
0.74...=FG7
FG=0.74...7
FG  9.42
sin(48)=FG7
sin(θ)=ho

#### Slide 17 -Tekstslide

Exercises
• Question 1 & 2
• 7 minutes
• Make them in silence
• Write down the whole calculation (round to two decimal places)

#### Slide 18 -Tekstslide

Exercises
• 11.2 & 11.3
• 20 minutes
• Raise your finger if you have any questions