MediumLaws of sines & cosines

OpenStax, Algebra and Trigonometry 2e §10.1 Non-right Triangles: Law of Sines · Exercise 25 · Trigonometry · Laws of sines & cosines

Non-right Triangles: Law of Sines · Exercise 25

Use the Law of Sines to solve, if possible, the missing side or angle for each triangle or triangles in the ambiguous case. Round each answer to the nearest tenth.

Find angle $A$ when $a = 13, b = 6, B = 20°.$

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OpenStax, Algebra and Trigonometry 2e · §10.1 Non-right Triangles: Law of Sines · Exercise 25

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