law of sines
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What is the Law of Sines formula?
a/sinA = b/sinB = c/sinC
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When can the Law of Sines be used?
When solving ASA (Angle-Side-Angle), AAS (Angle-Angle-Side), or SSA (Side-Side-Angle) triangles
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What does the Law of Sines state about the ratios of a triangle’s sides and angles?
Each side length divided by the sine of its opposite angle is equal for all three sides
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What is the ambiguous case in the Law of Sines?
When using SSA, there can be zero, one, or two possible triangles.
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Why can’t the Law of Sines be used for SSS (Side-Side-Side) or SAS (Side-Angle-Side)?
These cases don’t provide enough angle information, so you must use the Law of Cosines instead.
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