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What's on the worksheet
- Write each angle in radians, exactly.75°216°−330°480°8°
- Write each angle in degrees.\dfrac{11\pi}{15}-\dfrac{5\pi}{8}\dfrac{17\pi}{12}3\pi\dfrac{\pi}{20}
- Write each angle in radians, exactly.22^\circ 30'33^\circ 45'157^\circ 30'1^\circ 52' 30''
- Without a calculator, decide which angle in each pair is larger.3 radians or 180°1.5 radians or 90°0.55 radians or 30°0.8 radians or 45°6.3 radians or 360°
- An angle measures 22^\, 38'\, 56''.
- Arjun pushes a door open.
- A prize wheel at a school fair is divided into 11 equal sectors.
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The free lesson teaches it with worked examples and practice problems.
Radian measure: the lesson ›More Chapter 3 worksheets: Angles, radians and the unit circle
- 3.1Sine, cosine and tangent
- 3.2Trig values of the special right triangles
- 3.3Angles in standard position and coterminal angles
- 3.4Radian measure
- 3.5Arc length and sector area in radians
- 3.6Angular and linear speed
- 3.7Trig functions on the unit circle
- 3.8Sine, cosine and tangent as functions of a real number
- 3.9Reference angles
- 3.10Signs of the trig functions by quadrant
- 3.11Secant, cosecant and cotangent ratios
- 3.12Secant, cosecant and cotangent on the unit circle
- 3.13Exact values on the unit circle
- 3.14Unit circle symmetry and even-odd identities
- 3.15Periodicity and the periodicity identities