Trigonometry (Revision)

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Mathematics

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9th - 10th Grade

•

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Henny Sunartie Tiga

Used 19+ times

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4 Slides • 11 Questions

Trigonometry (Revision)

by Teacher Henny

Open Ended

State your name and class here (e.g. Wali YR11G3)

Type response here

Poll

How are you feeling today?

I am feeling great!!

I am ok today but not always..

Not so great...

I feel lost..not sure what to do.

Before we continue with our lesson, I would like to encourage you to be PERSISTENT!

These are difficult times but we need to push on and have a positive mindset!

TRIGONOMETRY (REVISION)

LESSON OBJECTIVE:

recall on the important concepts in trigonometry.

STEPS TO SUCCESS:

know what SOH, CAH, TOA is.

know how to apply Pythagoras Theorem

know how to calculate adjacent, opposite or hypotenuse in a right angled triangle.

Multiple Choice

We can use SOH-CAH-TOA for...

Any triangle ever

Non-right triangles only

Right Triangles only

Never

Multiple Choice

The ratio in a right triangle of adjacent to hypotenuse is _____

sine

cosine

tangent

inverse cosine

Multiple Choice

Find side AB?

20 m

5 m

11.54 m

8.66 m

Multiple Choice

Choose the correct ratio.

Multiple Choice

Find the length of side w.

21.4 cm

18.0 cm

36.5 cm

43.6 cm

Multiple Choice

Solve for x.

24.20

4.92

290.4

29.75

Multiple Choice

Find the measure of the indicated angle (?) round to the nearest tenth.

9.4

55.2

20.15

19.4

Multiple Choice

Solve for the misssing distance

18.9

19.5

27.5

Multiple Choice

Solve for x.

11.3

12.0

15.0

We will discuss the corrections through WA ya

Trigonometry (Revision)

by Teacher Henny

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Trigonometry (Revision)

Trigonometry (Revision)

​TRIGONOMETRY (REVISION)

Trigonometry (Revision)

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