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.

Mathematics

Find the square of the radical expression.

A.
B.
C.
D.

Mathematics

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

Mathematics

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