Sine Rule


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.




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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.

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Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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