Register

The law of cosines is a² + b² - 2abcosC = c². find the value of 2abcosC

The law of cosines is a² + b² - 2abcosC = c². find the value of 2abcosC
asked 107k views
3 votes
The law of cosines is a² + b² - 2abcosC = c². find the value of 2abcosC

asked
User OmegaNalphA
by
8.6k points

1 Answer

4 votes

\bf a^2+b^2-(2ab)cos(C)=c^2\implies a^2+b^2-c^2=(2ab)cos(C)
answered
User Jlb
by
8.5k points
← Prev Question Next Question →

Related questions

User Monika Mangal
asked Apr 2, 2024 198k views
Use the Law of Cosines to find side xZ c²=a²+b-2abCosC A
Monika Mangal asked Apr 2, 2024
by Monika Mangal
8.4k points
1 answer
3 votes
198k views
Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!