Cos 210° = cos ( 180° + 30° ) - cos 30° = - √3/2
Answer:
33333
Step-by-step explanation:
Answer: 3
Step-by-step explanation: Hope I helped
$23.40
Since we know how much Olivia spent total, and we know how much she spent on the sunglasses, we just subtract 16.35 from 39.74, and the final answer is 23.40