MediumLaws of sines & cosines

OpenStax, Algebra and Trigonometry 2e §10.2 Non-right Triangles: Law of Cosines · Exercise 7 · Trigonometry · Laws of sines & cosines

Non-right Triangles: Law of Cosines · Exercise 7

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.

$α = 120°, b = 6, c = 7$

~8 minAnswer checked instantly

OpenStax, Algebra and Trigonometry 2e · §10.2 Non-right Triangles: Law of Cosines · Exercise 7

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