Overview
Trigonometry

Sine Rule

 Video Tutorial

Key Aspects:
  • Sine Rule: Finding Sides or Angles in Non-right Triangles
  • Application of the Sine Rule to find sides
  • Application of the Sine Rule to find angles
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 Revision Cards

1) Sine Rule

Sine Rule Formulas for finding missing sides or angles.

2) Sine Rule: Finding Sides

Sine Rule applied to a triangle with angles 30°, 70°, and one unknown angle, showing how to find the opposite side of 4 cm using the sine rule.

3) Sine Rule: Finding Angles

Applying the sine rule to find angles with a triangle, with the equation sin(135°)/10 cm = sin(θ)/5 cm.

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 Exercises

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