AnswersAlgebra 2 MP 234 CHSChanges in Period and Phase Shift of Sine and Cosine Functions — Unit testQuestion 3
3
QuizMultiple Choice
Changes in Period and Phase Shift of Sine and Cosine Functions — Unit test
Question 3 • Algebra 2 MP 2,3,4 CHS
Solve the Law of Cosine: for cos C.
Answer
A
cosine C = StartFraction square of a + square of b minus square of c over 2ab EndFraction
B
cosine C = StartFraction square of a + square of b + square of c over negative 2ab EndFraction
C
cosine C = StartFraction square of c minus square of a minus square of b over 2ab EndFraction
D
cosine C = StartFraction square of negative c + square of a + square of b over negative 2ab EndFraction