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← 2.5 Trigonometry (II)

The sine rule

Mathematics · Grade 11 · about 40 minutes

In any triangle, a side divided by the sine of the opposite angle is the same for all three pairs.

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Other lessons in this sub-strand

  1. Ratios on the unit circle
  2. Angles from 90 to 180 degrees
  3. The third and fourth quadrants
  4. Negative angles and full turns
  5. Equations from 0 to 360 degrees
  6. Rearranging to one ratio
  7. The radian
  8. Degrees and radians either way
  9. Graphs of sine and cosine
  10. The graph of tangent
  11. The sine rule
  12. The cosine rule