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- GCE O-Level A Maths
- Trigonometric Ratios and Angle Measure
Angle in standard position
- Lesson: 1a2:41
- Lesson: 1b1:10
- Lesson: 1c2:56
- Lesson: 1d1:31
- Lesson: 1e1:17
- Lesson: 1f2:24
- Lesson: 1g2:53
- Lesson: 1h4:15
Angle in standard position
Lessons
POSITIVE angle: counter-clockwise rotation starting at the x-axis.
NEGATIVE angle: clockwise rotation starting at the x-axis.
NEGATIVE angle: clockwise rotation starting at the x-axis.
- 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°
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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 (All Students Take Calculus)
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