Use the Law of Cosines to solve the triangle. Roun d your answers to two decimal places. A = B = C = C b = 12 a = 8 A c = 18 B
Added by Matthew H.
Close
Step 1
6042\) \(C = \cos^{-1}(-0.6042)\) \(C = 127.17^\circ\) Show more…
Show all steps
Your feedback will help us improve your experience
Teresa Fuston and 73 other Precalculus educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Use the Law of Cosines to solve the triangle. Round your answers to two decimal places. $$a=2.5, \quad b=1.8, \quad c=0.9$$
Additional Topics in Trigonometery
Law of Cosines
Given a = 8, b = 12, and c = 6, use the Law of Cosines to find angle C. Round to three decimal places.
Lien L.
Recommended Textbooks
Precalculus with Limits
Precalculus
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD
Precalculus educators are ready to help you.