Answer:
The answer is 1.42!!!!!!
Step-by-step explanation:
This is the graph, on the x and y axis od the graph you plot the point at 4 (positive)
After 4 atmospheres the diver descends -132 feet because -33*4=-132
Answer:
b
Step-by-step explanation:
-π/2 < arctan(x) < π/2
So cos(π/2) < cos(arctan(x)) < cos(0)
0 < cos(arctan(x)) < 1