CCSS.MATH.CONTENT.HSG.SRT.D.10(+) Prove the Laws of Sines and Cosines and use them to solve problems.
CCSS.MATH.CONTENT.HSG.SRT.D.11(+) Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles (e.g., surveying problems, resultant forces).
LTI launch URL
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https://schoolyourself.org/page/lti/sy/trigonometry/law-of-cosines
