Applying trigonometry (t3g)

Applying trigonometry

Part 2

May 13th

t3d

13:15

Have homework
ready for inspection!

1 / 26

Slide 1: Tekstslide

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In deze les zitten 26 slides, met interactieve quizzen en tekstslides.

Lesduur is: 60 min

Onderdelen in deze les

Applying trigonometry

Part 2

May 13th

t3d

13:15

Have homework
ready for inspection!

Slide 1 - Tekstslide

Schedule

Programme 10 min
Homework check
Review: SOHCAHTOA 10 min
(U-shapes) 3 groups 5 min
Applying trigonometry 25 min
+ practice + discuss homework
Some gooseboard? 25 min

Slide 2 - Tekstslide

Programme

Investigation:

Friday, May 20th,
4th period (maths)

Test ch.7:

Monday, May 30th,
2nd period (tutor hour)

Slide 3 - Tekstslide

Last lesson's

Intended Learning Outcomes

At the end of the lesson you could...

Use sin, cos and tan and their inverses appropriately

Slide 4 - Tekstslide

You want to know
the length of KM.
What do you use?

Tangent

Sine

Inverse sine

Inverse cosine

Slide 5 - Quizvraag

You want to know
the size of
What do you use?

∠ C .

Tangent

Sine

Inverse sine

Inverse cosine

Slide 6 - Quizvraag

You want to know
the length of LM.
What do you use?

Inverse sine

Inverse cosine

Tangent

Cosine

Slide 7 - Quizvraag

3 groups

1: work on exercises, no explanation

2: join explanation, work on exercises

3: listen or work, homework discussion afterwards

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 8 - Tekstslide

Today's

Intended Learning Outcomes

At the end of the lesson you can...

Apply trigonometric calculations in contexts and situations

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 9 - Tekstslide

Trigonometric ratios

How to remember

SOH

CAH

TOA

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 10 - Tekstslide

Trigonometric ratios

How to remember

SOH

CAH

TOA

cos (∠) = \frac{​ A ​ ​}{​ H ​}

sin (∠) = \frac{​ O ​ ​}{​ H ​}

tan (∠) = \frac{​ O ​ ​}{​ A ​}

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 11 - Tekstslide

Trigonometric ratios

How to remember

SOH and

CAH and

TOA and

cos (∠) = \frac{​ A ​ ​}{​ H ​}

sin (∠) = \frac{​ O ​ ​}{​ H ​}

tan (∠) = \frac{​ O ​ ​}{​ A ​}

sin (\frac{​ O ​ ​}{​ H ​}) = ∠

cos (\frac{​ A ​ ​}{​ H ​}) = ∠

tan (\frac{​ O ​ ​}{​ A ​}) = ∠

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

-1

Slide 12 - Tekstslide

Trigonometric ratios

Want to know a side? Want to know an angle?

Use sin/cos/tan Use sin /cos /tan

calculator:
shift (2nd) --> sin/cos/tan

- 1

- 1

- 1

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 13 - Tekstslide

Applications

p.68:

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 14 - Tekstslide

Example 1

How high is John above the ground?

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 15 - Tekstslide

Example 1

How high is John above the ground?

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 16 - Tekstslide

Example 2

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 17 - Tekstslide

Example 2

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 18 - Tekstslide

Practice

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 19 - Tekstslide

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 20 - Tekstslide

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 21 - Tekstslide

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 22 - Tekstslide

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 23 - Tekstslide

Basic route

54, 55, 56, 57, 58

64, 66, 68

Advanced route

56, 58, 59/60, 62

68, 69, 70/71

Slide 24 - Tekstslide

Slide 25 - Tekstslide

Slide 26 - Tekstslide

Applying trigonometry (t3g)

Onderdelen in deze les

Slide 1 - Tekstslide

Slide 2 - Tekstslide

Slide 3 - Tekstslide

Slide 4 - Tekstslide

Slide 5 - Quizvraag

Slide 6 - Quizvraag

Slide 7 - Quizvraag

Slide 8 - Tekstslide

Slide 9 - Tekstslide

Slide 10 - Tekstslide

Slide 11 - Tekstslide

Slide 12 - Tekstslide

Slide 13 - Tekstslide

Slide 14 - Tekstslide

Slide 15 - Tekstslide

Slide 16 - Tekstslide

Slide 17 - Tekstslide

Slide 18 - Tekstslide

Slide 19 - Tekstslide

Slide 20 - Tekstslide

Slide 21 - Tekstslide

Slide 22 - Tekstslide

Slide 23 - Tekstslide

Slide 24 - Tekstslide

Slide 25 - Tekstslide

Slide 26 - Tekstslide

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