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- GCE O-Level A Maths
- Trigonometric Ratios and Angle Measure

Still Confused?

Try reviewing these fundamentals first

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Try reviewing these fundamentals first

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Get Started Now- Lesson: 1a2:41
- Lesson: 1b1:10
- Lesson: 1c2:56
- Lesson: 1d1:31
- Lesson: 1e1:17
- Lesson: 1f2:24
- Lesson: 1g2:53
- Lesson: 1h4:15

- 1.Standard Angles

i) Sketch each angle in standard position and indicate the terminal arm

ii) Which quadrant does the angle terminate in?a)30°b)100°c)250°d)315°e)-60°f)-140°g)-570°h)-1000°

23.

Trigonometric Ratios and Angle Measure

23.1

Angle in standard position

23.2

Coterminal angles

23.3

Reference angle

23.4

Find the exact value of trigonometric ratios

23.5

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

23.6

Unit circle

23.7

Converting between degrees and radians

23.8

Trigonometric ratios of angles in radians

23.9

Radian measure and arc length

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