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What's on the worksheet
- Without a calculator, name the quadrant that $Pt = 3.5t = -1t = 6.5t = -3t = 12
- Mei's calculator was left in degree mode while she found three values of the circular functions.
- The inputs of $f
- Jack wraps a paper strip, printed in centimeters like a number line, tightly around a cardboard tube of radius 3 cm.
- Diego flies a drone in a level circle of radius 40 meters around a radio mast.
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The free lesson teaches it with worked examples and practice problems.
Sine, cosine and tangent as functions of a real number: 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