First problem:
sec(theta) = 1/sin(theta) = 1/(-1) = -1
Answer: a. –1
Second problem:
cos(theta) = 1
You need to use the inverse cosine function, cos^-1 x.
theta = cos^-1(1) = 0°
Answer: c. 0°
Answer:
8 hours.
Step-by-step explanation:
60x8=480
Hope this helps!
Answer: 3.5
Use long division