7-4 Sin and cosine

7-4 Sine and cosine

What you need:
- Textbook, writingbook, iPad
- Pen, pencil, geotriangle
- Calculator


Schoolbags in the cuboard
Phones in the phonebag
Bluetooth 
- ON
- VPN off
1 / 27
volgende
Slide 1: Tekstslide
WiskundeMiddelbare schoolhavoLeerjaar 3

In deze les zitten 27 slides, met interactieve quizzen en tekstslides.

time-iconLesduur is: 50 min

Onderdelen in deze les

7-4 Sine and cosine

What you need:
- Textbook, writingbook, iPad
- Pen, pencil, geotriangle
- Calculator


Schoolbags in the cuboard
Phones in the phonebag
Bluetooth 
- ON
- VPN off

Slide 1 - Tekstslide

Lesson goals
  • Make calculations with sin and cosine.

Slide 2 - Tekstslide

Soh Cah Toa

Sin


Cos 
=hypotenuseopposite
=hypotenuseadjacent

Slide 3 - Tekstslide

20 (p. 16)
timer
5:00

Slide 4 - Tekstslide

sin
A
A
3/r45
B
6/3
C
6/r45
D
3/6

Slide 5 - Quizvraag

cos
B
A
3/r45
B
6/3
C
6/r45
D
3/6

Slide 6 - Quizvraag

tan
A
A
3/r45
B
6/3
C
6/r45
D
3/6

Slide 7 - Quizvraag

.
A
A
45
B
37
C
71
D
63

Slide 8 - Quizvraag

Slide 9 - Tekstslide

21 (p. 17)
timer
3:30

Slide 10 - Tekstslide

tan
P
A
6/8
B
10/6
C
8/6
D
6/10

Slide 11 - Quizvraag

sin
P
A
6/8
B
10/6
C
8/6
D
6/10

Slide 12 - Quizvraag

cos
P
A
6/8
B
10/6
C
8/10
D
6/10

Slide 13 - Quizvraag

.
P
A
17
B
45
C
37
D
63

Slide 14 - Quizvraag

Slide 15 - Tekstslide

22 (p. 17)
timer
4:00

Slide 16 - Tekstslide

.
P
A
23
B
35
C
47
D
61

Slide 17 - Quizvraag

.
Q
A
35
B
40
C
47
D
61

Slide 18 - Quizvraag

.
R
A
35
B
39
C
44
D
61

Slide 19 - Quizvraag

.
S
A
23
B
35
C
47
D
61

Slide 20 - Quizvraag

Slide 21 - Tekstslide

Two angles at E ? What now ?
GEH
or
FEG

Slide 22 - Tekstslide

Try on your own
1, 2, 5 and 7
TRY ON YOUR OWN...

RULES:
  • In your writingbook
  • Use: Textbook
  • Discussion when you are stuck is allowed


timer
12:00
Extra excercise: none
Challenge: none
23-25
(p. 17)

Slide 23 - Tekstslide

Slide 24 - Tekstslide

Slide 25 - Tekstslide

Slide 26 - Tekstslide

Slide 27 - Tekstslide