MediumLaws of sines & cosines

OpenStax, Algebra and Trigonometry 2e §10.2 Non-right Triangles: Law of Cosines · Exercise 15 · Trigonometry · Laws of sines & cosines

Non-right Triangles: Law of Cosines · Exercise 15

Assume $α$ is opposite side $a, β$ is opposite side $b,$ and $γ$ is opposite side $c .$ If possible, solve each triangle for the unknown side. Round to the nearest tenth.

$β = 50°, a = 105, b = 45$

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §10.2 Non-right Triangles: Law of Cosines · Exercise 15

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