Find all solutions of the equation in the interval [0, 2?).(3 sec x - 6)(7 sec x - 7) = 0
A. 0, 
, ?, 
B. 
, 
C. 0, 
, 
D. 0, 
, ?
Answer: C
Mathematics
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Write an equation for the graph of the sine or cosine curve.
A. y = 10 sin 
B. y = 10 sin 
C. y = 10 sin (x)
D. y = 10 sin 
Mathematics
Solve.A jet plane traveling at a constant speed goes 1200 miles with the wind, then turns around and travels for 1000 miles against the wind. If the speed of the wind is 50 mph and the total flight took 4 hours, find the speed of the plane in still air.
A. 550 mph B. 525 mph C. 605 mph D. 435 mph
Mathematics
Simplify, if possible.
? 
÷ 
A. 1
B. 
C. 
D. 
Mathematics
Simplify the complex fraction.
A. 
B. 4
C. 
D. - 
Mathematics