Still Confused?

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Trigonometry

Trigonometric ratios of angles in radiansGeometry

Circles and circumference Geometry

Arcs of a circle- Home
- ACT Compass Test Prep
- Trigonometric Ratios and Angle Measure

Still Confused?

Try reviewing these fundamentals first.

Trigonometry

Trigonometric ratios of angles in radiansGeometry

Circles and circumference Geometry

Arcs of a circleStill Confused?

Try reviewing these fundamentals first.

Trigonometry

Trigonometric ratios of angles in radiansGeometry

Circles and circumference Geometry

Arcs of a circleNope, I got it.

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Get Started NowStart now and get better math marks!

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Get Started Now- Lesson: 1a9:19
- Lesson: 1b1:25
- Lesson: 1c1:17
- Lesson: 1d2:44
- Lesson: 25:08

Basic concepts: Trigonometric ratios of angles in radians, Circles and circumference , Arcs of a circle,

Related concepts: Areas and sectors of circles,

$arc\;length= r \cdot \theta\;radian$

- 1.Use the information in each diagram to determine the value of the variable

Give your answers to the nearest hundredth of a unit.a)

b)

c)

d)

- 2.A 20 cm long pendulum swings through an arc length of 60 cm. Through

what angle, in both degrees and radians, does the pendulum swing?

37.

Trigonometric Ratios and Angle Measure

37.1

Angle in standard position

37.2

Coterminal angles

37.3

Reference angle

37.4

Find the exact value of trigonometric ratios

37.5

ASTC rule in trigonometry (**A**ll **S**tudents **T**ake **C**alculus)

37.6

Unit circle

37.7

Converting between degrees and radians

37.8

Trigonometric ratios of angles in radians

37.9

Radian measure and arc length

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