OpenStax, Algebra and Trigonometry 2e §10.2 Non-right Triangles: Law of Cosines · Exercise 57 · Trigonometry · Laws of sines & cosines
Non-right Triangles: Law of Cosines · Exercise 57
Suppose that represents the relationship of three sides of a triangle and the cosine of an angle.
Draw the triangle.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Algebra and Trigonometry 2e · §10.2 Non-right Triangles: Law of Cosines · Exercise 57
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