Verify the identity.(1 + tan2u)(1 - sin2u) = 1
What will be an ideal response?
(1 + tan2u)(1 - sin2u) = sec2u ? cos2u = 
? cos2u = 1
Mathematics
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Solve the proportion and check. 
= 
A. 7
B. 5
C. 3
D. 7
Mathematics
Solve.
y = 12
A. y = 
B. y = 
C. y = 42
D. y = 10
Mathematics
Solve the problem.A ship in the Atlantic Ocean measures its position to be 32°52' north latitude. Another ship is reported to be due north of the first ship at 46°11' north latitude. Approximately how far apart are the two ships? Round to the nearest mile. Assume that the radius of the Earth is 3960 miles.
A. 52,734 mi B. 920 mi C. 52,757 mi D. 943 mi
Mathematics
Write as a fraction or as a mixed number150%
A. 3
B. 1
C. 15
D. 
Mathematics