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Right triangle trigonometry

Sine, cosine and tangent, special angles, sides, the Pythagorean identity and heights

The Right triangle trigonometry unit belongs to the Geometry and trigonometry section of Math Mental and has 20 lessons: sine, cosine and tangent, special angles, sides, the Pythagorean identity and heights.

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Lessons in this unit

  1. Sine, cosine and tangent Lesson, 8 questions
  2. Ratios with a missing side Lesson, 8 questions
  3. Which ratio is this? Lesson, 8 questions
  4. Special angles: 30°, 45° and 60° Lesson, 8 questions
  5. Expressions with special angles Lesson, 8 questions
  6. Angle from a value Lesson, 8 questions
  7. Angle from the legs Lesson, 8 questions
  8. Opposite leg from the hypotenuse Lesson, 8 questions
  9. Adjacent leg from the hypotenuse Lesson, 8 questions
  10. Tangent and legs Lesson, 8 questions
  11. Hypotenuse from a leg Lesson, 8 questions
  12. Practice: ratios and sides Practice, 12 questions
  13. Pythagorean identity Lesson, 8 questions
  14. Tangent from the sine Lesson, 8 questions
  15. Cosine with a radical Lesson, 8 questions
  16. Height from a shadow Lesson, 8 questions
  17. Ramps and ladders Lesson, 8 questions
  18. A tower seen by an observer Lesson, 8 questions
  19. Review: right triangle trigonometry Practice, 12 questions
  20. Unit test 15 questions

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