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Unformatted text preview: OR Find 2nd angle using Law of Sines . Find the smaller of the two remaining angles (compare their opposite sides to see which is smaller); this angle must be acute. Find 2nd angle using Law of Cosines Find 3rd angle SSS Find an angle using Law of Cosines . Find the largest angle (it faces the longest side) if you intend to use the Law of Sines later. The other two angles must be acute. Find a 2nd angle using Law of Cosines . Find a 2nd angle using Law of Sines . Find 3rd angle Find 3rd angle SAS Use (for example) Area = SSS Otherwise. .. If the Triangle Inequality fails. .. No such T exists!! Use Heron’s Formula If the Triangle Inequality fails. .. No such T exists!! Otherwise. .. Find 3rd angle 1 2 ab sin C...
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 Fall '11
 staff
 Calculus, Angles, triangle, Sines

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