a. Write the integral that gives the area of the surface generated when the curve is revolved about the given axis.
b. Use a calculator or software to approximate the surface area.
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y = tan x, for ?x? ; about the x-axis
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a. Choose the correct answer below.
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A. 2? ? tan x ?1 + sec? x dx
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B. 2? ? tan x ?1 + sec² x dx
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C. 2? ? ?1 + sec? x dx
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D. ? tan x ?1 + sec? x dx
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b. The area of the surface is square units.
(Do not round until the final answer. Then round to the nearest hundredth as needed.)
