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Learn how to use the Law of Sines (or Sine Rule) to solve triangles with any angle and side known. See examples, explanations, and tips on how to avoid two possible solutions.
Learn about the law of sines, a trigonometric equation relating the sides and angles of any triangle. Find its history, proof, examples, and applications to circumcircle and area.
The law of sines is a relationship linking the sides of a triangle with the sine of their corresponding angles. Contents. Sine Rule. Examples. Ambiguous Case. Extended Sine Rule. Sine Rule. Given the following triangle \ ( ABC \) with corresponding side lengths \ ( a, b\) and \ ( c\): the sine rule or law of sines is the following identity:
Learn how to use the law of sines to solve triangles, find missing angles or sides, and calculate areas. The law of sines relates the ratios of side lengths to the sines of opposite angles in an oblique triangle.
Learn how to use the sine rule to solve oblique triangles with different cases: SAA, ASA and SSA. See definitions, formulas, diagrams and step-by-step solutions with examples.
Learn how to use the law of sines, also known as sine rule or sine formula, to find unknown angles or sides of a triangle. See the proof, formula, applications, uses and examples of the law of sines in maths.
Learn how to use the sine rule to find an angle or a side in any triangle given three values. See examples, diagrams and worked solutions with the sine rule formula and calculator.
