9
QuizMultiple Choice
Trigonometric Sum Identities
Question 9 of 10 • Precalculus
What is the exact value of sin(v + w), given , , v is an angle in Quadrant III, and w is an angle is Quadrant IV?
Answer
A
StartFraction negative 30 + 4 StartRoot 21 EndRoot Over 55 EndFraction
B
StartFraction negative 30 minus 4 StartRoot 21 EndRoot Over 55 EndFraction
C
StartFraction negative 33 + 5 StartRoot 21 EndRoot Over 55 EndFraction
D
StartFraction negative 33 minus 5 StartRoot 21 EndRoot Over 55 EndFraction