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Review — Difficulty 7/10

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Trigonometry · Trigonometric identities (intro)

Review skills for this standard. Write answers where shown.

Together with a parent

1. sin(60°) = ___ 2. cos(π/4) = ___ 3. Unit circle: angle 10π/4. Coordinates ( , ) ___

Written review

1. sin(30°) = ___ 2. cos(π/3) = ___ 3. Unit circle: angle 12π/4. Coordinates ( , ) ___ 4. Period of y = sin(2x): ___ 5. Amplitude of y = 15cos x: ___ 6. Solve sin x = 1/2 on [0, 2π). ___

_See printable PDF for diagram._

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Skills checklist

  • [ ] Evaluates trig functions at standard angles
  • [ ] Uses unit circle reasoning
  • [ ] Graphs basic trig functions with transformations
  • [ ] Explains Trigonometric identities (intro) without prompts

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