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Find the exact value of trigonometric ratios
- Lesson: 1a19:24
- Lesson: 1b10:58
- Lesson: 1c9:37
- Lesson: 1d11:29
Find the exact value of trigonometric ratios
Basic Concepts: Solving expressions using 45-45-90 special right triangles , Solving expressions using 30-60-90 special right triangles , Reference angle, ASTC rule in trigonometry (All Students Take Calculus)
Lessons

- 1.Find the exact value of all six trigonometric ratios, then make a conclusion
which primary trigonometric ratios (sin θ,cosθ,tanθ) are positive in each
quadranta)θ=30°b)θ=120°c)θ=225°d)θ=300°
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11.
Trigonometric Ratios and Angle Measure
11.1
Angle in standard position
11.2
Coterminal angles
11.3
Reference angle
11.4
Find the exact value of trigonometric ratios
11.5
ASTC rule in trigonometry (All Students Take Calculus)
11.6
Unit circle
11.7
Converting between degrees and radians
11.8
Trigonometric ratios of angles in radians
11.9
Radian measure and arc length