Free online lessons to help GCSE Maths students learn how to use the sine rule to find unknown sides or angles of triangles, with examples, solutions and video lessons.
Related Pages
More Lessons for GCSE Maths
Math Worksheets
The following diagram shows how to use the sine rule when given the ambiguous case. Scroll down the page for more examples and solutions for the sine rule.

The Sine Rule - GCSE and AS Maths revision video
Sine Rule Ambiguous Case, Scale, triangle trigonometry
Maths - The Sine Rule when Finding a Side - Key Stage 4
Sine rule
Sine Rule Proof and examples GCSE maths Higher trigonometry
Check out our most popular games!
Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.