Sinus, cosinus en tangens

sos cas toa

t a n g e n s ∠ = \frac{​ o v e r s t a a n d e z i j d e ​ ​}{​ a a n l i g g e n d e z i j d e ​}

s i n u s ∠ = \frac{​ o v e r s t a a n d e z i j d e ​ ​}{​ s c h u i n e z i j d e ​}

c o s i n u s ∠ = \frac{​ a a n l i g g e n d e z i j d e ​ ​}{​ s c h u i n e z i j d e ​}

t = \frac{​ o ​ ​}{​ a ​} \to t o a

s = \frac{​ o ​ ​}{​ s ​} \to s o s

c = \frac{​ a ​ ​}{​ s ​} \to c a s

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Slide 1: Slide

WiskundeMiddelbare schoolmavoLeerjaar 3

This lesson contains 19 slides, with interactive quizzes and text slides.

Items in this lesson

sos cas toa

t a n g e n s ∠ = \frac{​ o v e r s t a a n d e z i j d e ​ ​}{​ a a n l i g g e n d e z i j d e ​}

s i n u s ∠ = \frac{​ o v e r s t a a n d e z i j d e ​ ​}{​ s c h u i n e z i j d e ​}

c o s i n u s ∠ = \frac{​ a a n l i g g e n d e z i j d e ​ ​}{​ s c h u i n e z i j d e ​}

t = \frac{​ o ​ ​}{​ a ​} \to t o a

s = \frac{​ o ​ ​}{​ s ​} \to s o s

c = \frac{​ a ​ ​}{​ s ​} \to c a s

Slide 1 - Slide

Gebruik je sinus, cosinus of tangens om hoek L te berekenen?

Sinus

Cosinus

Tangens

Slide 2 - Quiz

Bereken je hoek M met de sinus, cosinus of tangens?

Sin

Cos

Tan

Slide 3 - Quiz

Gebruik je sinus, cosinus of tangens om hoek A te berekenen?

Sinus

Cosinus

Tangens

Slide 4 - Quiz

sinus

sin ∠ B = \frac{​ o ​ ​}{​ s ​}

sin ∠ B = \frac{​ A C ​ ​}{​ B C ​}

Slide 5 - Slide

cosinus

cos ∠ B = \frac{​ a ​ ​}{​ s ​}

cos ∠ B = \frac{​ A B ​ ​}{​ B C ​}

Slide 6 - Slide

tangens

tan ∠ B = \frac{​ o ​ ​}{​ a ​}

tan ∠ B = \frac{​ A C ​ ​}{​ A B ​}

Slide 7 - Slide

tan ∠ A =

\frac{​ A B ​ ​}{​ B C ​}

\frac{​ B C ​ ​}{​ A C ​}

\frac{​ A B ​ ​}{​ A C ​}

\frac{​ B C ​ ​}{​ A B ​}

Slide 8 - Quiz

cos ∠ A

\frac{​ A B ​ ​}{​ B C ​}

\frac{​ B C ​ ​}{​ A C ​}

\frac{​ A B ​ ​}{​ A C ​}

\frac{​ B C ​ ​}{​ A B ​}

Slide 9 - Quiz

sin ∠ C

\frac{​ A B ​ ​}{​ B C ​}

\frac{​ B C ​ ​}{​ A C ​}

\frac{​ A B ​ ​}{​ A C ​}

\frac{​ B C ​ ​}{​ A B ​}

Slide 10 - Quiz

cos ∠ C

\frac{​ A B ​ ​}{​ B C ​}

\frac{​ B C ​ ​}{​ A C ​}

\frac{​ A B ​ ​}{​ A C ​}

\frac{​ B C ​ ​}{​ A B ​}

Slide 11 - Quiz

tan ∠ B

\frac{​ A B ​ ​}{​ B C ​}

\frac{​ B C ​ ​}{​ A C ​}

\frac{​ A B ​ ​}{​ A C ​}

\frac{​ B C ​ ​}{​ A B ​}

Slide 12 - Quiz

tan (∠ B) = \frac{​ 1 8 ​ ​}{​ 3 2 ​}

s h i f t tan (18 : 32) = 29, 357 . . .

g e e f t ∠ B = 29, 357 . . . °

Hoek berekenen met tangens

alleen bij een rechthoekige driehoek!

op de rekenmachine:

d u s ∠ B \approx 29, 4 °

tan = \frac{​ o ​ ​}{​ a ​} sin = \frac{​ o ​ ​}{​ s ​} cos = \frac{​ a ​ ​}{​ s ​}

_____

Slide 13 - Slide

Hoek berekenen met sinus

sin ∠ A = \frac{​ 1 8 ​ ​}{​ 3 6 , 7 ​}

s h i f t sin (18 : 36, 7) = 29, 371 . . .

tan = \frac{​ o ​ ​}{​ a ​} sin = \frac{​ o ​ ​}{​ s ​} cos = \frac{​ a ​ ​}{​ s ​}

g e e f t ∠ A = 29, 371 . . . °

Σ

_____

op de rekenmachine:

d u s ∠ A \approx 29, 4 °

Slide 14 - Slide

Hoek berekenen met cosinus

cos ∠ A = \frac{​ 3 2 ​ ​}{​ 3 6 , 7 ​}

g e e f t ∠ A = 29, 351 . . . °

tan = \frac{​ o ​ ​}{​ a ​} sin = \frac{​ o ​ ​}{​ s ​} cos = \frac{​ a ​ ​}{​ s ​}

∠ A = cos^{​ - 1 ​ ​} (32 : 36, 7) = 29, 315 . . .

______

op de rekenmachine:

d u s ∠ A \approx 29, 4 °

Slide 15 - Slide

Bereken hoek K

Slide 16 - Open question

Bereken hoek L

Slide 17 - Open question

Bereken hoek R

Slide 18 - Open question

Bereken hoek P

Slide 19 - Open question

Sinus, cosinus en tangens

Items in this lesson

Slide 1 - Slide

Slide 2 - Quiz

Slide 3 - Quiz

Slide 4 - Quiz

Slide 5 - Slide

Slide 6 - Slide

Slide 7 - Slide

Slide 8 - Quiz

Slide 9 - Quiz

Slide 10 - Quiz

Slide 11 - Quiz

Slide 12 - Quiz

Slide 13 - Slide

Slide 14 - Slide

Slide 15 - Slide

Slide 16 - Open question

Slide 17 - Open question

Slide 18 - Open question

Slide 19 - Open question

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