Answer Happy • = For any triangle ABC, given BC = AC cos C + AB cos B. Using the Law of Sines, prove the "addition formula" sin(B+C) =

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= For any triangle ABC, given BC = AC cos C + AB cos B. Using the Law of Sines, prove the "addition formula" sin(B+C) =

Posted: Sat Feb 19, 2022 3:37 pm

by answerhappygod

: For Any Triangle Abc Given Bc Ac Cos C Ab Cos B Using The Law Of Sines Prove The Addition Formula Sin B C 1 (15.47 KiB) Viewed 49 times

= For any triangle ABC, given BC = AC cos C + AB cos B. Using the Law of Sines, prove the "addition formula" sin(B+C) = sin Bcos C+sin cos B.