Establish the identity.-tan 2 x + sec 2 x = sec 2 x cos 2 x
What will be an ideal response?
-tan 2 x + sec 2 x = - 
+ 
= 
(-sin 2 x + 1) = sec 2 x cos 2 x.
Mathematics
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Express the area of the region bounded by the given line(s) and/or curve(s) as an iterated double integral.The curve 
and the lines 
and 
A. 
B. 
C. 
D. 
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Find the square of the radical expression.
A. 
B. 
C. 
D. 
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Write the number in scientific notation.0.00000018003
A. 1.8003 × 10-6 B. 1.8003 × 10-7 C. 1.8003 × 107 D. 1.8003 × 106
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Solve the problem.The speed of a stream is 5 mph. If a boat travels 52 miles downstream in the same time that it takes to travel 26 miles upstream, what is the speed of the boat in still water?
A. 15 mph B. 10 mph C. 17 mph D. 18 mph
Mathematics