Perform the indicated operation and simplify. 
- 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.cos2 2x - sec2 2x = 0
A. {45°, 135°, 225°, 315°} B. {0°, 45°, 90°, 135°, 180°, 225°, 270°, 315°} C. {0°, 90°, 180°, 270°} D. {0°, 180°}
Mathematics
Answer the question. You will need to use the formula 4.9t2 + vot = s.Approximately how far will an object fall in 5 seconds, if it is thrown downward at an initial velocity of 10 meters per second from a helicopter?
A. 175.8 meters B. 167.6 meters C. 178.2 meters D. 172.5 meters
Mathematics
Graph the piecewise function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Sketch the graph of the function.y = sin (2?x + 2)
A. 
B. 
C. 
D. 
Mathematics